Orthopedic systems, components, and methods

ABSTRACT

Embodiments of the present application provide technologies related to adaptive surgeon-specific instrumentation, unique preparatory tools and procedures for bone resection and implant devices, and systems for selection of implantation preparatory tools for implantation procedures. The embodiments described herein may, for example, be utilized in connection with knee arthroplasty procedures.

CROSS-REFERENCE TO RELATED APPLICATIONS

The present application is a continuation of pending U.S. applicationSer. No. 17/208,691, filed 22 Mar. 2021, which is a continuation of U.S.application Ser. No. 16/762,028, filed 6 May 2020, now U.S. Pat. No.10,987,171, which is a United States National Phase filing ofInternational Application No. PCT/US2018/060587, filed 13 Nov. 2018,which claims the benefit of U.S. Provisional Patent Application No.62/584,440, filed on 10 Nov. 2017, U.S. Provisional Patent ApplicationNo. 62/584,457, filed on 10 Nov. 2017, and U.S. Provisional PatentApplication No. 62/584,476, filed on 10 Nov. 2017, the contents of eachof which are incorporated by reference in their entirety.

BACKGROUND

The training and experiences encountered by an orthopedic surgeongenerally results in that surgeon developing specific surgicaltechniques and preferences, which often require the use of surgicalinstrumentation for a given surgical procedure that is different fromthe instrumentation that would be employed by another orthopedicsurgeon. For example, some surgeons prefer to use a cutting instrumenthaving a thick cutting blade, whereas other surgeons prefer having athinner cutting blade. However, maintaining such a wide array ofsurgical instrumentation as to satisfy every surgeon operating in aparticular facility can become unwieldy in terms of inventorymanagement, storage, sanitization, and other factors.

Accommodating patient-specific factors that influence a particularsurgeon's decision to use one technique and instrument set for onepatient and a different instrument set for a different patientexacerbates these issues. As such, the surgeon's technique andpreferences may not align with the available surgical trayconfigurations. This mismatch may lead to inefficiencies and concernsduring surgery including, for example, increased tourniquet time,potential vascular damage, increased wear debris, one or more requiredbone recuts, increased surgical difficulty, and/or other issues.

Additionally, certain surgical procedures, including, for example,implantation of joint replacement systems and/or joint replacementcomponents, can include procedures to prepare one or more bones of thepatient to accommodate implantation of the implant system or implantcomponent(s). As anatomical configurations of patients can, to at leastsome extent, vary in certain respects, the manner in which differentpatient's bones are prepared for such implant systems or components canvary.

For example, the particular shape, size, and/or configuration of bonesat one or more locations along the bone can differ among patients. Suchdifferences can contribute, at least in some instances, to patients'bones being prepared in different manners, such as, for example, beingcut or resected at different locations and/or depths. Otherconsiderations may also influence the manner in which a bone(s) may beprepared in connection with the implantation of an implant system orcomponent(s). For example, ligament insertion locations along at least aportion of the bone can also influence the location and/or depth of acut into that bone. The size of an implant component can also influencethe manner and/or location in which the bone(s) may be prepared. Forexample, the surgeon may attempt to cut the bone at a location thatprevents over-hang or under-hang of a tray or plate that can beimplanted at the location at which the bone was resected.

Thus, the manner in which preparatory procedures are performed on a bonemay involve a number of considerations. Accordingly, in at least certainsituations, such as with respect to patients that have relativelychallenging anatomies, certain compromises are often made, such as, forexample tradeoffs that can seek, to the extent possible, balance betweenaddressing issues relating to irregularities in bone shape with at leastattempts to retain and/or not compromise ligament insertion locations.Yet, despite possible attempts to minimize such compromises prior toproceeding with the actual preparatory procedure(s), often such issuesare not known or discovered until after the preparatory procedure hasbegun and/is completed. For example, with respect to bone preparatoryprocedures, the final shape and/or size of the bone that will receivethe implant may be unknown until the bone has been cut, which typicallyis too late to reorient the associated bone cut(s).

Furthermore, orthopedic implant systems, including, for example, kneeimplant systems, often use certain types of preparatory tools,including, for example, cutting blocks, among other preparatory tools,that are system specific. Moreover, at least certain types ofpreparatory tools can be configured so that the certain features of thepreparatory tools, such as, for example, pin holes, and/or theassociated pins that may be positioned therein, can be used withsecuring the preparatory tool(s) to the bone of a patient, while otherpin holes and/or the associated pin positioned therein can also be usedat least to assist with generally aligning a component of the implantsystem that will be implanted in the patient.

As a surgeon becomes familiar with a particular knee implant system,including becoming accustomed with the associated preparatory tools, thesurgeon can develop a preference for using that system and/or theassociated preparatory tools. For example, a surgeon may be trained inorthopedic implant procedures using a particular implant system from aparticular manufacturer, and accordingly develop a preference for usingthat system and/or the associated preparatory tools. However,preparatory tools, including custom preparatory tools, are often systemand/or manufacturer specific, and thus are not necessarily designed foruse with other implant systems, such as the implant systems of othermanufacturers. For example, the preparatory tools of different implantsystems may have pinning holes and/or alignment features at differentlocations, among other differences.

As a result, during an implantation procedure, the surgeon can belimited to either using system-specific preparatory tools for which thesurgeon may lack familiarity, and which thus may not be the tool(s) ofchoice for the surgeon. Alternatively, in at least certain situations,the surgeon may potentially make certain compromises so as to use apreparatory tool(s) of the surgeon's preference, despite thatpreparatory tool(s) not being intended, or designed, for use with theparticular system that the surgeon is implanting.

As is evident from the foregoing, present approaches to the planning andperformance of surgeries suffer from a variety of drawbacks andlimitations. Accordingly, there remains a need for further developmentsin this technological field.

SUMMARY

Embodiments of the present application provide technologies related toadaptive surgeon-specific instrumentation, unique preparatory tools andprocedures for bone resection and implant devices, and systems forselection of implantation preparatory tools for implantation procedures.The embodiments described herein may, for example, be utilized inconnection with knee arthroplasty procedures.

Certain embodiments of the present application relate to systems andmethods for providing surgeon-specific customized components that aretuned to the preferences of a particular surgeon and/or optimized foruse with the surgeon's preferred set of instruments. Such embodimentsmay allow the surgery to go faster, with less possibility of infection,vascular damage, wear debris, and/or the need to recut. The customizedcomponents may additionally or alternatively maximize the chance ofpreserving host bone and/or making potential revision surgeries easier.

One particular problem certain embodiments of the present applicationmay solve is a mismatch of instruments. If the cutting guide is notoptimized for use in a particular situation, the surgeon may be leftwith no choice but to use a cutting guide that can harm the patient. Asone example, blunt cutting guides are typically preferred for largebones, whereas curved guides are typically preferred for small bones. Ifthe surgeon were forced to use a blunt guide with a small bone, harm maycome to the patient.

Another particular problem that may be solved by certain embodiments isharmonizing the thickness of the cutting slot to the thickness of thesurgeon's preferred sawblade. Using a thick blade in thin slot cancreate wear harmful wear debris, while using a thin blade in a thickslot can reduce the accuracy of the cut. By facilitating harmonizationof the slot thickness and the blade thickness, these drawbacks can bereduced or eliminated.

A further problem that may be solved by certain embodiments involvesover-driven pins. Typically, a pin that is over-driven needs to becarved out with a rongeur. This process can increase surgical time,which could lead to vascular damage and infection. Certain embodimentsof the present application obviate these difficulties by facilitatingthe removal of such over-driven pins.

Certain embodiments of the present application relate to systems andmethods that enable a surgeon to utilize a particular style of cuttingguide with another style of implant that is not necessarily designed foruse with that particular style of cutting guide. Such embodimentsincrease the number of styles of cutting guides that the surgeon iscapable of using with a given implant style, thereby allowing thesurgeon to make better use of the cutting guide inventory. In additionto increasing efficiency, these embodiments may improve results for thepatient, for example when the surgeon is accustomed to using aparticular style of cutting guide. These embodiments may also allow fornon-standard guides such as those better matched to the transverse bonecross-section associated with a particular size or pathology.

Certain embodiments of the present application enable the surgeon tovisualize the location of a particular cut before that cut is made onthe patient. Such embodiments may simplify the surgical procedure byproviding simple alignment for the more critical aspects of the implantat an early stage of the procedure without requiring the surgeon tomanipulate dials, slides, or knobs. Such simplification may reduce thelikelihood of error during the surgical procedure.

Further features and advantages of at least some of the embodiments ofthe present invention, as well as the operation of various embodimentsof the present invention, are described in detail below with referenceto the accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS

The concepts described herein are illustrative by way of example and notby way of limitation in the accompanying figures. For simplicity andclarity of illustration, elements illustrated in the figures are notnecessarily drawn to scale. Where considered appropriate, referenceslabels have been repeated among the figures to indicate corresponding oranalogous elements.

FIG. 1 is a simplified block diagram of a system for adaptivesurgeon-specific surgical instrumentation.

FIG. 2 is a simplified flow diagram of at least one embodiment of amethod for identifying surgeon-specific surgical instrumentation basedon surgeon input.

FIGS. 3-4 are simplified diagrams of a graphical user interface that maybe displayed by the computing device of FIG. 1 .

FIG. 5 is a perspective view of a surgeon-specific tibial cutting guidefor use with a distal cut first surgical technique.

FIGS. 6-7 are perspective views of a surgeon-specific tibial cuttingguide for use with a tibial cut first surgical technique.

FIG. 8 is a perspective view of a surgeon-specific tibial cutting guidewithout a tibial paddle contact extension.

FIG. 9 is a perspective view of a surgeon-specific tibial cutting guidewith a tibial paddle contact extension.

FIG. 10 is a perspective view of a surgeon-specific femoral cuttingguide without a femoral paddle contact extension.

FIG. 11 is a perspective view of a surgeon-specific femoral cuttingguide with a femoral paddle contact extension.

FIG. 12 is a side view of a surgeon-specific tibial cutting guide with aseparable tibial paddle contact extension that illustrates the contactextension being separated from the remainder of the tibial paddle.

FIG. 13 is an example of a patient's bone having a proximal tibia thatis badly damaged.

FIG. 14 is a bottom perspective view of a surgeon-specific tibialcutting guide for which no portion of the tibial paddles passes belowthe cut plane.

FIG. 15 is a side view of the surgeon-specific tibial guide of FIG. 14 .

FIG. 16 is a side view of a surgeon-specific tibial cutting guide havinga tibial paddle that extends through the cut plane.

FIG. 17 is a bottom view of the surgeon-specific tibial cutting guide ofFIGS. 16 .

FIG. 18 is an opposite side view of the surgeon-specific tibial cuttingguide of FIGS. 16 .

FIG. 19 is a perspective view of a surgeon-specific tibial cutting guidehaving a bicruciate ligament sparing feature.

FIG. 20 is a perspective view of a surgeon-specific tibial cutting guidewithout a bicruciate ligament sparing feature.

FIGS. 21A, 22A, 23A, 24A, 25A, and 26A are anterior views of varioustibial recut guides.

FIGS. 21B, 22B, 23B, 24B, 25B, and 26B are anterior views of the tibialrecut guides of FIGS. 21A, 22A, 23A, 24A, 25A, and 26A, respectively.

FIGS. 27A, 28A, and 29A are anterior views of various femoral recutguides.

FIGS. 27B, 28B, and 29B are distal views of the femoral recut guides ofFIGS. 27A, 28A, and 29A, respectively.

FIG. 30 illustrates a surgical technique in which the alignment rod isaligned parallel to the patient's mechanical axis.

FIG. 31 illustrates a surgical technique in which the alignment rod isaligned perpendicular to the cutting slot of the surgeon-specific tibialcutting guide.

FIG. 32 is a perspective view of a surgeon-specific tibial cutting guidehaving rimmed proximal pinholes.

FIG. 33 is a perspective view of a surgeon-specific tibial cutting guidewithout rimmed proximal pinholes.

FIG. 34 is a perspective view of a surgeon-specific femoral cuttingguide having rimmed distal pinholes.

FIG. 35 is a perspective view of a surgeon-specific tibial femoral guidewithout rimmed distal pinholes.

FIGS. 36-37 illustrate a rim portion of a rimmed pinhole being removedfrom the remainder of a guide boss.

FIGS. 38-39 are perspective views of a patient's tibia before and afterresection of the proximal tibia, respectively.

FIGS. 40-41 are perspective views of a patient's femur before and afterresection of the distal femur, respectively.

FIG. 42 illustrates a medial side view of an exemplary tibial cuttingblock operably secured via pins to a proximal end of a tibia.

FIG. 43 illustrates a medial side perspective view of an exemplarybi-cruciate retaining tibial tray positioned on a resected bone surfaceat a proximal end of a tibia.

FIG. 44 illustrates a schematic flow diagram of an exemplary process forpreoperative planning that includes virtual visualization and analysisfor bone preparation and orthopedic implant design and positioning.

FIG. 45 illustrates an anterior side perspective view of an exemplaryadaptive guide operably secured via pins to a proximal end of a tibia.

FIG. 46 is a lateral side perspective view of the exemplary adaptiveguide and the proximal end of the tibia shown in FIG. 45 .

FIG. 47 is a superior view of the exemplary adaptive guide and theproximal end of the tibia shown in FIG. 45 .

FIGS. 48A and 48B illustrate side views of a pin positioned in a guideboss that has a removable capture portion.

FIG. 49 illustrates an anterior side perspective view of a portion of anexemplary orientation stylus secured to a tibial bone that has beenmarked using the exemplary adaptive guide shown in FIGS. 45-47 toindicate medial-lateral (MP) and anterior-posterior (AP) portions, aswell as internal-external (IE) rotation, of a tibial eminence that is tobe preserved.

FIG. 50 illustrates a partial phantom, anterior side perspective view ofa further portion of the exemplary orientation stylus shown in FIG. 48attached to the tibia.

FIG. 51 illustrates an anterior view of a general knee joint in which anexemplary femoral cutting block and an exemplary tibial cutting blockare coupled to the associated femur and tibia bones, respectively.

FIG. 52 illustrates a distal anterior view of the exemplary femoralcutting block depicted in FIG. 51 .

FIG. 53 illustrates a proximal posterior view of another exemplaryfemoral cutting block.

FIG. 54 illustrates a distal anterior perspective view of a portion of aresected femur having both distal pin holes and recut pin holes.

FIGS. 55A and 55B illustrate a proximal lateral view and a proximalanterior perspective view, respectively, of the exemplary tibial cuttingblock depicted in FIG. 51 .

FIG. 56 illustrates a proximal anterior perspective view of a portion ofa resected tibia having proximal pin holes and pins extending from recutpin holes.

FIGS. 57A and 57B illustrate exemplary representations of snapshots of aportion of a graphical display on a display presenting selectableoptions pertaining to knee implant systems and various different femoralcutting blocks.

FIGS. 58A and 58B illustrate anterior and distal views, respectively, ofan exemplary femoral recut cutting block having a plurality of recut pinhole sets.

FIG. 58C illustrates an exemplary representation of a snapshot of aportion of a graphical display on a display presenting selectableoptions pertaining to alternative femoral recut cutting blocks.

FIGS. 59A and 59B illustrate anterior and proximal views, respectively,of an exemplary tibial recut cutting block having a plurality of recutpin hole sets.

FIG. 59C illustrates an exemplary representation of a snapshot of aportion of a graphical display on a display presenting selectableoptions pertaining to alternative tibial recut cutting blocks.

DETAILED DESCRIPTION OF THE DRAWINGS

Although the concepts of the present disclosure are susceptible tovarious modifications and alternative forms, specific embodiments havebeen shown by way of example in the drawings and will be describedherein in detail. It should be understood, however, that there is nointent to limit the concepts of the present disclosure to the particularforms disclosed, but on the contrary, the intention is to cover allmodifications, equivalents, and alternatives consistent with the presentdisclosure and the appended claims.

References in the specification to “one embodiment,” “an embodiment,”“an illustrative embodiment,” etc., indicate that the embodimentdescribed may include a particular feature, structure, orcharacteristic, but every embodiment may or may not necessarily includethat particular feature, structure, or characteristic. Moreover, suchphrases are not necessarily referring to the same embodiment. It shouldfurther be appreciated that although reference to a “preferred”component or feature may indicate the desirability of a particularcomponent or feature with respect to an embodiment, the disclosure isnot so limiting with respect to other embodiments, which may omit such acomponent or feature. Further, when a particular feature, structure, orcharacteristic is described in connection with an embodiment, it issubmitted that it is within the knowledge of one skilled in the art toimplement such feature, structure, or characteristic in connection withother embodiments whether or not explicitly described.

Additionally, it should be appreciated that items included in a list inthe form of “at least one of A, B, and C” can mean (A); (B); (C); (A andB); (B and C); (A and C); or (A, B, and C). Similarly, items listed inthe form of “at least one of A, B, or C” can mean (A); (B); (C); (A andB); (B and C); (A and C); or (A, B, and C). Further, with respect to theclaims, the use of words and phrases such as “a,” “an,” “at least one,”and/or “at least one portion” should not be interpreted so as to belimiting to only one such element unless specifically stated to thecontrary, and the use of phrases such as “at least a portion” and/or “aportion” should be interpreted as encompassing both embodimentsincluding only a portion of such element and embodiments including theentirety of such element unless specifically stated to the contrary.

The disclosed embodiments may, in some cases, be implemented inhardware, firmware, software, or a combination thereof. The disclosedembodiments may also be implemented as instructions carried by or storedon one or more transitory or non-transitory machine-readable (e.g.,computer-readable) storage medium, which may be read and executed by oneor more processors. A machine-readable storage medium may be embodied asany storage device, mechanism, or other physical structure for storingor transmitting information in a form readable by a machine (e.g., avolatile or non-volatile memory, a media disc, or other media device).

In the drawings, some structural or method features may be shown inspecific arrangements and/or orderings. However, it should beappreciated that such specific arrangements and/or orderings may not berequired. Rather, in some embodiments, such features may be arranged ina different manner and/or order than shown in the illustrative figures.Additionally, the inclusion of a structural or method feature in aparticular figure is not meant to imply that such feature is required inall embodiments and, in some embodiments, may not be included or may becombined with other features.

Referring now to FIG. 1 , in the illustrative embodiment, a system 100for adaptive surgeon-specific surgical instrumentation includes acomputing device 102, a network 104, and an instrumentationmanufacturing system 106. Further, as shown, the illustrativeinstrumentation manufacturing system 106 includes one or more servers108 and fabrication machinery 110.

As described in detail below, the system 100 allows the surgeon todesign various features of the surgical instrumentation (e.g., tibialand femoral cutting guides) such that the resultant surgicalinstrumentation is tailored to the surgeon based, for example, on thesurgeon's specific techniques and/or preferences. As such, the system100 may provide the surgeon direct control (e.g., by virtue of surgeoninput provided through a graphical user interface) over how the surgicalinstrumentation will function and interact with the surgeon. Forexample, in some embodiments, the surgeon may indicate whether one ormore of the tibial paddles of a surgeon-specific tibial cutting guidewill have a contact extension, which can affect how the surgeoninteracts with the guide. As such, the surgeon's design choice mayimpute both a physical and functional change to the surgicalinstrumentation and/or procedure. Similarly, the surgeon may provideinput regarding the profile/shape of a tibial cutting guide such as, forexample, whether the cutting guide should have a streamlined profile(e.g., for a tibial cut first surgical technique) or a moretraditional/bulky profile (e.g., for a distal cut first surgicaltechnique).

It should be appreciated that the surgeon-specific surgicalinstrumentation designed by the surgeon using the system 100 enablesgreater flexibility without the added inventory or complexity. Thesystem 100 may permit the surgeon to select the necessary surgicalinstruments in a “to-order” or “just-in-time” approach based on thesurgeon's technique and preferences, patient data, and/or other relevantparameters. Further, the surgeon-specific surgical instrumentation mayallow the surgical procedure to proceed more quickly with a reducedprobability of infection, vascular damage, wear debris, and/or the needto recut. The surgeon-specific surgical instrumentation may reduce thelikelihood of sub-optimal implant placement, which can reduce implantlife and increase the risk of revision. Additionally, thesurgeon-specific surgical instrumentation may also maximize the chancesof preserving host bone and/or ensure that revision surgeries areperformed more easily.

The computing device 102 may be embodied as any type of computing devicecapable of performing the functions described herein. For example, thecomputing device 102 may be embodied as a desktop computer, laptopcomputer, tablet computer, notebook, netbook, Ultrabook™, cellularphone, smartphone, wearable computing device, personal digitalassistant, mobile Internet device, Internet of Things (IoT) device,server, router, switch, and/or any other computing/communication devicecapable of performing the functions described herein. As shown in FIG. 1, the illustrative computing device 102 includes a processor 150, aninput/output (“I/O”) subsystem 152, a memory 154, a data storage 156, acommunication circuitry 158, one or more I/O devices 160, and one ormore peripheral devices 162. Of course, the computing device 102 mayinclude other or additional components, such as those commonly found ina typical computing device (e.g., various input/output devices and/orother components), in other embodiments. Additionally, in someembodiments, one or more of the illustrative components may beincorporated in the processor 150 in some embodiments. Although a singlecomputing device 102 is illustratively shown, it should be appreciatedthat one or more of the components of the computing device 102 describedherein may be distributed across multiple computing devices. In otherwords, the techniques described herein may be employed by a computingsystem that includes one or more computing devices.

The processor 150 may be embodied as any type of processor capable ofperforming the functions described herein. For example, the processor150 may be embodied as a single or multi-core processor(s), digitalsignal processor, microcontroller, or other processor orprocessing/controlling circuit. Similarly, the memory 154 may beembodied as any type of volatile or non-volatile memory or data storagecapable of performing the functions described herein. In operation, thememory 154 may store various data and software used during operation ofthe computing device 102, such as operating systems, applications,programs, libraries, and drivers. The memory 154 is communicativelycoupled to the processor 150 via the I/O subsystem 152, which may beembodied as circuitry and/or components to facilitate input/outputoperations with the processor 150, the memory 154, and other componentsof the computing device 102. For example, the I/O subsystem 152 may beembodied as, or otherwise include, memory controller hubs, input/outputcontrol hubs, firmware devices, communication links (i.e.,point-to-point links, bus links, wires, cables, light guides, printedcircuit board traces, etc.) and/or other components and subsystems tofacilitate the input/output operations. In some embodiments, the I/Osubsystem 152 may form a portion of a system-on-a-chip (SoC) and beincorporated, along with the processor 150, the memory 154, and othercomponents of the computing device 102, on a single integrated circuitchip.

The data storage 156 may be embodied as any type of device or devicesconfigured for short-term or long-term storage of data such as, forexample, memory devices and circuits, memory cards, hard disk drives,solid-state drives, or other data storage devices. The data storage 156and/or the memory 154 may store various data during operation of thecomputing device 102 useful for performing the functions describedherein.

The communication circuitry 158 may be embodied as any communicationcircuit, device, or collection thereof, capable of enablingcommunications between the computing device 102 and other remote devices(e.g., the instrumentation manufacturing system 106, the server 108,etc.) over a network (e.g., the network 104). The communicationcircuitry 158 may be configured to use any one or more communicationtechnologies (e.g., wireless or wired communications) and associatedprotocols (e.g., Ethernet, Bluetooth®, WiMAX, etc.) to effect suchcommunication.

The I/O devices 160 may include any number of devices configured toreceive input data from a surgeon and/or other user (i.e., inputdevices) and any number of devices configured to output data to thesurgeon and/or other user (i.e., output devices). The particular devicesincluded in the I/O devices 160 may depend on, for example, the typeand/or intended use of the computing device 102. For example, in someembodiments, the I/O devices 160 may include a display device on which agraphical user interface (see, e.g., the graphical user interface 300 ofFIGS. 3-4 ) can be displayed for the surgeon. Further, the I/O devices160 may include an input device that allows the surgeon to selectvarious options presented on the graphical user interface. For example,in some embodiments, the input device may be embodied as a keyboard,mouse, touchscreen display, and/or microphone. In particular, in someembodiments, it should be appreciated that the computing device 102 maybe embodied as a tablet computer, smartphone, or other computing devicehaving a touchscreen display that serves to both receive input from thesurgeon/user and provide output to the surgeon/user.

The peripheral devices 162 may include any number of additionalperipheral or interface devices, such as speakers, microphones,additional storage devices, and so forth. The particular devicesincluded in the peripheral devices 162 may depend on, for example, thetype and/or intended use of the computing device 102. For example, insome embodiments, the peripheral devices 162 may include a keyboard,mouse, display, touchscreen display, printer, alarm, status indicator,handheld device, diagnostic tool, and/or one or more other suitableperipheral devices.

It should be appreciated that one or more software applications may beexecuted by the processor 150 to display the graphical user interface(e.g., the graphical user interface 300 of FIGS. 3-4 ) on the I/Odevice(s) 160 and receive the relevant surgeon input regarding thedesired parameters of the surgeon-specific surgical instrumentation. Theapplication(s) may be embodied as any suitable application(s) forperforming the functions described herein. For example, depending on theparticular embodiment, the application may be embodied as a mobileapplication (e.g., a smartphone application), a cloud-based application,a web application, a thin-client application, and/or another suitabletype of application. In some embodiments, the application may serve as aclient-side user interface (e.g., via a web browser) for a web-basedapplication or service (e.g., of the server(s) 108).

The network 104 may be embodied as any type of communication networkcapable of facilitating communication between the computing device 102and remote devices (e.g., the instrumentation manufacturing system 106,the server(s) 108, etc.). As such, the network 104 may include one ormore networks, routers, switches, computers, and/or other interveningdevices. For example, the network 104 may be embodied as or otherwiseinclude one or more cellular networks, telephone networks, local or widearea networks, publicly available global networks (e.g., the Internet),ad hoc networks, short-range communication links, or a combinationthereof.

The instrumentation manufacturing system 106 may be embodied as anycollection of one or more devices, components, and/or systems configuredto perform the functions described herein. As shown, the illustrativeinstrumentation manufacturing system 106 includes one or more servers108 and fabrication machinery 110. However, it should be appreciatedthat the instrumentation manufacturing system 106 may include additionaland/or alternative devices, components, and/or systems in otherembodiments. Similarly, one or more of the devices, components, and/orsystems of the instrumentation manufacturing system 106 described hereinmay be omitted in other embodiments. Depending on the particularembodiment, the various devices, components, and/or systems of theinstrumentation manufacturing system 106 may be co-located, or may bedistributed across various locations.

Each of the one or more servers 108 may be embodied as any type ofcomputing device capable of performing the functions described herein.For example, each server 108 may be embodied as a server, desktopcomputer, laptop computer, tablet computer, notebook, netbook,Ultrabook™, cellular phone, smartphone, wearable computing device,personal digital assistant, mobile Internet device, Internet of Things(IoT) device, router, switch, and/or any other computing/communicationdevice capable of performing the functions described herein. In someembodiments, one or more of the servers 108 may be similar to thecomputing device 102 described above. As such, the components of theserver(s) 108 may be similar to the components of the computing device102 described above and, therefore, the descriptions have not beenrepeated herein for clarity of the description. Further, it should beappreciated that the server(s) 108 may include other components,sub-components, and/or devices commonly found in a computing device,which are not discussed herein for clarity of the description.Additionally, in some embodiments, one or more of the components of thecomputing device 102 may be omitted from one or more of the servers 108(e.g., the peripheral devices 162). It should be appreciated that,although the server(s) 108 are described herein as one or more computingdevices outside of a cloud computing environment, in other embodiments,the server(s) 108 may be embodied as a cloud-based device or collectionof devices.

The fabrication machinery 110 may be embodied as any type of machinerycapable of manufacturing/fabricating the surgeon-specific surgicalinstrumentation and otherwise performing the functions described herein.In some embodiments, it should be appreciated that the surgeon-specificsurgical instruments may be fabricated on an “as requested” and/or“just-in-time” basis based on the surgeon input. Further, in someembodiments, the surgeon-specific surgical instruments may also bepatient-specific (e.g., having contours adapted to match the contours ofthe patient's bony anatomy). However, in some embodiments, there may bea finite number of possible surgeon-specific surgical instruments basedon a finite number of possible combinations of surgeon input data viathe graphical user interface. In such embodiments, every possibleadaptive surgeon-specific surgical instrument may be manufactured andstored (e.g., by the manufacturer and/or at a remote inventoryfacility). For example, the surgeon-specific tibial cutting guidescorresponding with every possible combination of adaptive tibial guideparameters and/or the surgeon-specific femoral cutting guidescorresponding with every possible combination of adaptive femoral guideparameters may be manufactured and stored. In yet another embodiment,the more common surgical instruments may be stored and the less commonsurgeon-specific surgical instruments may be manufactured on an “asrequested” basis.

Although only one computing device 102, one network 104, and oneinstrumentation manufacturing system 106 are shown in the illustrativeembodiment of FIG. 1 , the system 100 may include multiple computingdevice 102, multiple networks 104, and/or multiple instrumentationmanufacturing systems 106 in other embodiments.

Referring now to FIG. 2 , in use, the system 100 may execute a method200 for identifying surgeon-specific surgical instrumentation based onsurgeon input. It should be appreciated that the particular blocks ofthe method 200 are illustrated by way of example, and such blocks may becombined or divided, added or removed, and/or reordered in whole or inpart depending on the particular embodiment, unless stated to thecontrary. The illustrative method 200 begins with block 202 in which thecomputing device 102 prompts the surgeon/user for patient and surgicalparameters via a graphical user interface (e.g., presented on a displaydevice). In particular, in block 204, the computing device 102 mayprompt the surgeon/user for patient information and surgeon information(e.g., surgeon-identifying information). For example, the patientinformation may include patient-identifying information (e.g., name,unique identifier, birthdate, etc.), relevant patient/surgicalparameters (e.g., prospective implant type, manufacturer, model, etc.),anthropometric data, image data (e.g., x-ray images, MM images, CTimages, ultrasound images, and/or other suitable bone images), and/orother relevant patient information. In some embodiments, instead ofprompting the surgeon/user for such data, a portion (or the entirety) ofthe patient information and surgeon information may be received fromanother computing device or retrieved from the memory 154 or datastorage 156 of the computing device 102.

As indicated above, it should be appreciated that the surgeon mayprovide input regarding the surgeon's technique and/or preferences withrespect to a prospective surgery (e.g., a total knee replacementsurgery). In particular, the surgeon may provide various designparameters associated with the physical structure of the relevantsurgical instruments. As such, in block 206, the computing device 102may prompt the surgeon for adaptive tibial guide parameters, which maybe collectively indicative of the physical structure of thesurgeon-specific tibial cutting guide to be used by the surgeon (see,for example, the graphical user interface 300 as depicted in FIG. 3 ).Further, in block 208, the computing device 102 may prompt the surgeonfor adaptive femoral guide parameters, which may be collectivelyindicative of the physical structure of the surgeon-specific femoralcutting guide to be used by the surgeon (see, for example, the graphicaluser interface 300 as depicted in FIG. 4 ). Although thesurgeon-specific surgical instrumentation is described herein inreference to the surgeon-specific tibial cutting guide and thesurgeon-specific femoral cutting guide, it should be appreciated thatthe techniques may be applied to other surgical instruments in otherembodiments.

In block 210, the computing device 102 receives the surgeon input (e.g.,via the graphical user interface and/or the I/O device 160) associatedwith the relevant design parameters for the surgical instrumentation. Inparticular, in the illustrative embodiment, the computing device 102receives the surgeon input associated with the adaptive tibial guideparameters and the adaptive femoral guide parameters.

In some embodiments, in block 212, the computing device 102 may validatethe surgeon input. For example, in some embodiments, the computingdevice 102 may confirm that the surgeon input for a particular designparameter is acceptable (e.g., a value selected from a predefined set ofoptions, a value within acceptable design thresholds, etc.) depending onthe particular circumstances. Further, in some embodiments, thecomputing device 102 may confirm that the surgeon input (e.g., theadaptive tibial/femoral guide parameters) is consistent with the anatomyof the patient. For example, in some embodiments, the computing device102 may only allow a tibial paddle to interfere with the cut plane ifthe patient's proximal tibia is significantly damaged.

In block 214, the computing device 102 transmits the received (and, insome embodiments, validated) surgeon input to the instrumentationmanufacturing system 106. In particular, in some embodiments, thesurgeon input may be transmitted to one or more of the servers 108.

In block 216, the surgeon-specific surgical instrumentation isfabricated using the fabrication machinery 110 of the instrumentationmanufacturing system 106 based on the surgeon input. In particular, inthe illustrative embodiment, the fabrication machinery 110 may be usedto fabricate a surgeon-specific tibial cutting guide based on theadaptive tibial guide parameters provided by the surgeon and/or asurgeon-specific femoral cutting guide based on the adaptive femoralguide parameters provided by the surgeon. As described above, in someembodiments, the surgeon-specific surgical instrumentation may befabricated according to a “to order” or “just-in-time” approach, whereasin other embodiments, the surgeon-specific surgical instrumentation maybe prefabricated and selected to correspond with the parameters providedin the surgeon input.

Although the blocks 202-216 are described in a relatively serial manner,it should be appreciated that various blocks of the method 200 may beperformed in parallel in some embodiments.

Referring now to FIGS. 3 and 4 , as indicated above, the computingdevice 102 may utilize a graphical user interface 300 to conveyinformation to the surgeon, prompt the surgeon for input, and/or toreceive surgeon input. As shown, the graphical user interface 300identifies numerous categories of design parameters associated with asurgeon-specific tibial cutting guide and a surgeon-specific femoralcutting guide and prompts the surgeon for the associated inputs andselections. In particular, in the illustrative embodiment, the graphicaluser interface 300 includes a tibia tab 302 that, whenselected/activated as shown in FIG. 3 , prompts the surgeon forassociated inputs for various adaptive tibial guide parameters. Thegraphical user interface 300 also includes a femur tab 304 that, whenselected/activated as shown in FIG. 4 , prompts the surgeon forassociated inputs for various adaptive femoral guide parameters.Although each of the adaptive tibial and femoral guide parameters isshown as a selection of discrete options in the illustrative graphicaluser interface 300, in other embodiments, a graphical user interface mayotherwise prompt the surgeon for parameter inputs (e.g., via analphanumeric input field). For example, in an embodiment, the graphicaluser interface may permit the surgeon to enter a blade thickness (orlength) in millimeters, micrometers, and/or other suitable unit ofmeasure, which may be validated as described above.

As described herein, it should be appreciated that the various adaptivetibial and femoral guide parameters selected by the surgeon may affectthe physical structure and function of the correspondingsurgeon-specific cutting guides. Although specific adaptive tibial andfemoral guide parameters (and options thereof) are described inreference to the graphical user interface 300, it should be appreciatedthat the graphical user interface 300 may include other adaptive tibialguide parameters, other adaptive femoral guide parameters, other optionsfor the adaptive tibial guide parameters, and/or other options for theadaptive femoral guide parameters in addition to or in the alternativeto the parameters and options described herein by way of example. Forexample, in some embodiments, the graphical user interface 300 mayprompt the surgeon for an indication of the size of the pinholes, thelength of the pins, and/or the depth at which the pins can be driven.

As shown in FIG. 3 , when the tibia tab 302 is active, the illustrativegraphical user interface 300 prompts the surgeon to select a surgicalsequence 306 (viz., distal cut first (DCF) or tibial cut first (TCF)),whether the surgeon-specific tibial cutting guide includes contactextensions 308 and whether the contact extensions are separable 310,whether the surgeon-specific tibial cutting guide has proximal contactbelow the cut plane 312, whether the surgeon-specific tibial cuttingguide has a bicruciate sparing feature 314, a preferred tibial recutguide 316 (viz., GENESIS™ II MIS, GENESIS™ II TAA, JOURNEY™ II MIS, orTC-PLUS™ TAA), a cutting blade thickness 318 (viz., 1.35 mm or 1.27 mm),an alignment rod preference 320 (viz., perpendicular to cut or parallelto tibia), and whether the surgeon-specific tibial cutting guide hasrimmed pinholes 322. As shown in FIG. 4 , when the femur tab 304 isactive, the graphical user interface 300 prompts the surgeon to selectwhether the surgeon-specific femoral cutting guide includes contactextensions 330 and whether the contact extensions are separable 332,whether the surgeon-specific femoral cutting guide has distal contactabove the cut plane 334, a preferred femoral recut guide 336 (viz.,GENESIS™ II, JOURNEY™, or TC-PLUS™), a cutting blade thickness 338(viz., 1.35 mm or 1.27 mm), and whether the surgeon-specific femoralcutting guide has rimmed pinholes 340. Although the illustrativegraphical user interface 300 specifically identifies various GENESIS™JOURNEY™ and TC-PLUS™ recut guides, it should be appreciated that, inother embodiments, recut guides having similar features to those guidesmay be identified (e.g., by name or by prevalent feature(s)) as options.Further, in other embodiments, the graphical user interface 300 mayidentify for selection one or more other recut guides suitable forperforming the functions described herein (e.g., recut guidesmanufactured by Smith & Nephew®, Zimmer Biomet, Stryker, DePuyOrthopaedics, and/or another manufacturer). Various structural and/orfunctional implications of the graphical user interface 300 selectionsindicated above are described in further detail below.

Referring now to FIGS. 5-7 , the surgeon may select a distal cut first(DCF) surgical technique or a tibial cut first (TCF) surgical technique.FIG. 5 depicts various features of a surgeon-specific tibial cuttingguide 500 used with a DCF technique, whereas FIGS. 6-7 depict variousfeatures of the guide 500 used with a TCF technique. FIG. 6 shows theguide 500 with the knee joint in flexion, and FIG. 7 shows the guide 500with the knee joint in extension. It should be appreciated that DCF is asurgical technique in which the distal femur 502 is cut first to openthe joint space for more visibility and maneuverability, whereas TCF isa surgical technique in which the proximal tibia 504 is cut first toprovide a foundation for subsequent cuts and measurements and/or tosimplify balancing of the amount of bone removed from the femur, whichis nontrivial due, for example, to kinematics and soft tissue factors.

As shown in FIG. 5 , if the DCF technique is used, the pinholes 506 onthe tibial paddles 508 of the surgeon-specific tibial cutting guide 500may be angled vertically (e.g., perpendicular to a proximal surfaces 510of the paddles 508), because the pinholes 506 will not interfere withthe already-resected femur. However, with the TCF technique, there islimited joint space within which to operate. Accordingly, as shown inFIGS. 6-7 , if the TCF technique is used, the profile of thesurgeon-specific tibial cutting guide 500 is lower/thinner. Inparticular, the transition 511 of the tibial paddles 508 to the thinnertibial contact portion 513 may occur more anteriorly with the TCFtechnique than with the DCF technique, which may result in a higherproportion of the thinner tibial contact portion 513 length relative tothe overall anterior-posterior dimension of the guide 500. As such, insome embodiments, the TCF-designed guide may have less posteriorthickness than a DCF-designed guide. Further, in some embodiments,selecting the TCF technique may cause the pinholes 506 to be shiftedanteriorly and/or angled anteriorly relative to the proximal surfaces510 of the paddles 508. In some embodiments, a thickness 512 of thetibial paddles 508 used with the TCF technique may be less than astandard thickness 514 as used with the DCF technique. In otherembodiments, it should be appreciated that the surgeon may includedesign parameters such that the guide 500 is a low profile (thin) guideand/or has angled/shifted pinholes 506 even when a DCF technique isemployed.

Referring now to FIGS. 8-11 , the surgeon may indicate that one or bothof the tibial paddles 508 of the surgeon-specific tibial cutting guide500 is to include a contact extension 516 and/or that one or both of thefemoral paddles 602 of the surgeon-specific femoral cutting guide 600 isto include a contact extension 604. It should be appreciated that thesurgeon may select to include the contact extension(s) 516 and/or thecontact extension(s) 604 if the surgeon prefers more contact area withthe proximal tibia 504 or the distal femur 502, respectively, whereasthe surgeon may omit the contact extension(s) 516 and/or the contactextension(s) 604 if the surgeon prefers more visibility in the jointspace.

FIG. 8 depicts the surgeon-specific tibial cutting guide 500 withoutcontact extensions 516, whereas FIG. 9 depicts the guide 500 with onecontact extension 516. FIG. 10 depicts the surgeon-specific femoralcutting guide 600 without contact extensions 604, whereas FIG. 11depicts the guide 600 with both contact extensions 604. Further, asdescribed above and illustrated in FIG. 12 , the surgeon may selectwhether each of the contact extension(s) 516 and/or the contactextension(s) 604 is separable from a remainder 518, 606 of thecorresponding paddle 508, 602. It should be appreciated that each of thecontact extensions 516 may be structured to be separable from theremainder 518 of the corresponding tibial paddle 508 according to anysuitable technique. For example, in some embodiments, the contactextension 516 may have a perforation 520 or area of weakenedvolume/density to allow the surgeon to separate the contact extension516 from the remainder 518 of the tibial paddle 508 with less force thanwould otherwise be required. Similarly, it should be appreciated thateach of the contact extensions 604 may be structured to be separablefrom the remainder 606 of the corresponding femoral paddle 602 accordingto any suitable technique.

Referring now to FIGS. 13-18 , in the illustrative graphical userinterface 300, the surgeon may provide input regarding whether thetibial paddle(s) 508 should extend below the cut plane 522 of a cuttingblade of a cutting instrument, which may result in at least temporaryinterference with the blade. As shown in FIG. 13 , the surgeon mayencounter a patient whose proximal tibia 504 is severely damaged ordeformed. For example, one of the tibial articular surfaces may be worndown so much that the cutting blade could cut through one of the tibialpaddles 508. As such, it may be advantageous to have a surgeon-specifictibial cutting guide 500 designed to extend below (i.e., distal to) thecut plane 522 to contact the proximal tibia 504 for support prior topinning the guide 500. Accordingly, as shown in FIGS. 16-18 , thesurgeon-specific tibial cutting guide 500 may include a contactextension 524 that extends distally from the corresponding tibial paddle508 and having a distal surface 526 that contacts the proximal tibia 504for support thereon. Similar to the contact extensions 516, 604described above, in some embodiments, the contact extension 524 may beseparable from a remainder 528 of the tibial paddle 508 according to anysuitable technique (e.g., perforations, weakened volume/density, etc.).For example, in some embodiments, the surgeon may utilize asurgeon-specific tibial cutting guide 500 having one or more contactextensions 524 to support the guide 500 while it is being stabilized andpinned to the tibia, and subsequently separate/remove the contactextension(s) 524 from the guide 500 prior to using the cutting blade. Asshown in FIGS. 14 and 15 , in other embodiments, neither of the tibialpaddles 508 of the surgeon-specific tibial cutting guide 500 extendsbelow (distal to) the cutting plane 522. As indicated above, it shouldbe appreciated that the surgeon-specific cutting guides 500, 600 mayalso be patient-specific in some embodiments. As shown in FIG. 4 , thesurgeon may similarly provide input regarding whether the femoralpaddle(s) 602 should extend above the corresponding cut plane tocontact, for example, a severely damaged distal femur 502.

Referring now to FIGS. 19 and 20 , the surgeon may provide inputregarding whether the surgeon-specific tibial cutting guide 500 shouldinclude one or more bicruciate ligament sparing features. For example,when the surgeon views the patient's bone images (e.g., x-ray images,MRI images, CT images, ultrasound images, and/or other suitable boneimages), the surgeon may recognize that the cruciate ligaments areviable and may opt to design the surgeon-specific tibial cutting guide500 to be more “anatomically friendly.” Further, in some embodiments,one or more of those features may include the ability to placeadditional pins and/or marks on the patient's bone based on, forexample, pre-operative imaging of the bone. In some embodiments,rotation, varus-valgus, depth, or all six degrees of freedom can be setusing the designed guide 500. As shown in FIG. 19 , the surgeon-specifictibial cutting guide 500 may include visual indicators 530 that assistin positioning the guide 500, additional anterior pinholes 532 that maybe used as locators for a subsequent surgical cutting guide, and/oradditional anterior pinhole 534 that may provide a hard stop for aproposed cut and/or serve as an alignment feature for subsequentsurgical cutting guides. In some embodiments, based on the surgeoninput, the surgeon-specific tibial cutting guide 500 may include one ormore features of the guide 1200 described below with reference to FIGS.45-50 . FIG. 20 depicts the surgeon-specific tibial cutting guide 500without the bicruciate ligament sparing features described herein.

It should be appreciated that the surgeon-specific tibial cutting guide500 and the surgeon-specific femoral cutting guide 600 may be designedbased on the surgeon input to be used in conjunction with whicheversurgical support instrumentation the surgeon prefers (e.g., standardsurgical recut guides). In particular, the guides 500, 600 may bedesigned to cooperate with whichever tibial recut guide and/or femoralrecut guide the surgeon prefers. As shown in FIGS. 38 and 39 , inoperation, the surgeon-specific tibial cutting guide 500 may be securedto the patient's tibia by two anterior pins 536 driven into anteriorpinholes 538 (see also FIG. 5 ) of the guide 500 and, after resection ofthe proximal tibia 504 using the cutting blade 544 and removal of theguide 500, the pins 536 remain inserted into the tibia. Accordingly, inthe illustrative embodiment, the surgeon-specific tibial cutting guide500 may be designed such that the anterior pinholes 538 position thepins 536 in the proper locations such that the pins 536 can be insertedinto corresponding recut guide pinholes 540 to secure the recut guide tothe patient's already-resected tibia. Similarly, as shown in FIGS. 40and 41 , in operation, the surgeon-specific femoral cutting guide 600may be secured to the patient's femur by two anterior pins 546 driveninto anterior pinholes 548 of the guide 600 and, after resection of thedistal femur 502 using the cutting blade 544 and removal of the guide600, the pins 546 remain inserted into the femur. Accordingly, in theillustrative embodiment, the surgeon-specific femoral cutting guide 600may be designed such that the anterior pinholes 548 position the pins546 in the proper locations such that the pins 546 can be inserted intocorresponding recut guide pinholes 550 to secure the recut guide to thepatient's already-resected femur.

As indicated above, the illustrative graphical user interface 300provides the surgeon with the GENESIS™ II MIS tibial recut guide 700(see FIGS. 21A and 21B), GENESIS™ II TAA tibial recut guide 702 (seeFIGS. 24A and 24B), JOURNEY™ II MIS tibial recut guide 704 (see FIGS.25A and 25B), and TC-PLUS™ TAA tibial recut guide 706 (see FIGS. 23A and23B) as options for the surgeon's preferred tibial recut guide. However,as described above, it should be appreciated that the graphical userinterface 300 may present additional and/or alternative tibial recutguides in other embodiments. For example, the surgeon may further selectfrom the JOURNEY™ MIS tibial recut guide 708 (see FIGS. 22A and 22B),the JOURNEY II XR™ tibial recut guide 710 (see FIGS. 26A and 26B),and/or other suitable tibial recut guides. It should be appreciated thateach of the tibial recut guides 700-710 includes multiple sets of recutguide pinholes 540, which may be used to adjust the height and/or offsetof the corresponding tibial recut guide relative to the resected tibialsurface 542.

The illustrative graphical user interface 300 further provides thesurgeon with the GENESIS™ II femoral recut guide 800 (see FIGS. 27A and27B), JOURNEY™ femoral recut guide 802 (see FIGS. 28A and 28B), and theTC-PLUS™ femoral recut guide 804 as options for the surgeon's preferredfemoral recut guide. However, as described above, it should beappreciated that the graphical user interface 300 may present additionaland/or alternative femoral recut guides in other embodiments. It shouldbe appreciated that each of the tibial recut guides 800-804 includesmultiple sets of recut guide pinholes 550, which may be used to adjustthe height and/or offset of the corresponding femoral recut guiderelative to the resected femoral surface 552.

In some embodiments, it should be appreciated that the surgeon-specifictibial cutting guide 500 and/or the surgeon-specific femoral cuttingguide 600 may have recut pinning modularity similar to the blocks 2100,2102 described below with reference to FIGS. 51-59 .

As described above, the surgeon input may include a thickness of thecutting blade 544 of a cutting instrument that the surgeon prefers orintends to use for the surgical procedure. For example, it should beappreciated that there is a tradeoff between the amount of vibration ofthe cutting blade 544 and its ease of use. That is, thicker cuttingblades 544 tend to vibrate less but require more effort to use, whereasthinner cutting blades 544 vibrate more but require less effort to use.In the illustrative embodiment, the cutting slot of the surgeon-specifictibial guide 500, 600 is designed to harmonize with the surgeon'spreferred cutting blade thickness. For example, using a thick blade in athin slot can generate debris that is harmful to the patient. In someembodiments, it should be appreciated that the surgeon may select acutting blade 544 for use with the surgeon-specific tibial cutting guide500 with a different thickness than that selected for use with thesurgeon-specific femoral cutting guide 600.

Referring now to FIGS. 30 and 31 , the surgeon may indicate (via thegraphical user interface 300) an alignment rod preference for thesurgical procedure. In particular, the surgeon may indicate whether thesurgeon-specific tibial cutting guide 500 should be designed for usewith the surgical technique illustrated in FIG. 30 in which an alignmentrod 900 is aligned parallel to a mechanical axis 902 of the patient'stibia to gauge alignment, or the surgeon-specific tibial cutting guide500 should be designed for use with the surgical technique illustratedin FIG. 31 , in which the alignment rod 900 is aligned perpendicular tothe cutting slot 554 of the guide 500. It should be appreciated thatstandard surgical instrumentation for many knee systems includes abuilt-in 3° to 10° posterior slope. As such, the parallel alignmenttechnique described in reference to FIG. 30 allows the surgeon toperform the identical technique (i.e., ensure parallelism) regardless ofthe specific built-in posterior slope of the guide 500. However, if thesurgeon desires more control over the posterior slope of the guide 500,the surgeon may opt for the perpendicular alignment technique describedin reference to FIG. 31 , which provides a reliable benchmark for thesurgeon. In some embodiments, the surgeon-specific tibial cutting guide500 may include a visual indicator 556 (e.g., marking, engraving, etc.)of the alignment technique for which the guide 500 is designed.

Referring now to FIGS. 32 and 33 , the surgeon may indicate whether thetibial paddles 508 of the surgeon-specific tibial cutting guide 500 areto include rimmed pinholes 558. It should be appreciated that headedpins, for example, may be overdriven below the surface of the paddle 508such that it is difficult to retrieve the pin. Carving out or otherwiseextracting a deeply seated pin increases surgical time and may causevascular damage and/or infection to the patient. As such, the surgeonmay opt for a guide 500 with rimmed pinholes 558 to facilitate removalof overdriven pins as described below. However, the surgeon may notnecessarily use headed pins and/or may find rimmed pinholes 558uncomfortable to grip, in which case the surgeon may opt for a guide 500with non-rimmed pinholes 560 (i.e., without rimmed pinholes). FIG. 32depicts the surgeon-specific tibial cutting guide 500 with rimmedpinholes 558. FIG. 33 depicts the surgeon-specific tibial cutting guide500 with non-rimmed pinholes 560.

Referring now to FIGS. 34 and 35 , the surgeon may further indicatewhether the femoral paddles 602 of the surgeon-specific femoral cuttingguide 600 are to include rimmed pinholes 558 or non-rimmed pinholes 560.FIG. 34 depicts the surgeon-specific femoral cutting guide 600 withrimmed pinholes 558. FIG. 35 depicts the surgeon-specific femoralcutting guide 600 with non-rimmed pinholes 560. Although the non-rimmedpin-holes 560 of the surgeon-specific femoral cutting guide 600 areillustrated as having bosses 562 extending from the femoral paddles 602,it should be appreciated that the bosses 562 may be omitted such thatthe non-rimmed pinholes 560 terminate at the distal surface of thefemoral paddles 602 in other embodiments (i.e., such that the non-rimmedpinholes 560 are flush with the femoral paddles 602). Likewise, in someembodiments, the non-rimmed pinholes 560 of the surgeon-specific tibialcutting guide 500 may include bosses similar to the bosses 562 in someembodiments.

FIGS. 36 and 37 illustrate a rimmed portion 564 (e.g., a captureportion) of a rimmed pinhole 558 being removed to allow a surgeon togain access to an overdriven pin 566. In particular, the rimmed pinhole558 may generally include a boss portion 568 and the rimmed portion 564.Further, the rimmed portion 564 may be coupled to the boss portion 568by a neck portion 570 that is sized to provide an undercut between theboss portion 568 and the rimmed portion 564. As depicted in FIG. 37 ,the recess or undercut provided by the neck portion 570 may be sized toreceive a tool such as, for example, a rongeur to extract the rimmedportion 564. For example, the tool may be used to apply a force (e.g., apulling or twisting force) to the rimmed portion 564 to separate therimmed portion 564 from the boss portion 568, thereby gaining access tothe overdriven pin 566 for removal thereof.

FIG. 42 illustrates a medial side view of an exemplary tibial cuttingblock 1100 operably secured via one or more pins 1102 to a proximal end1104 of a tibia 1106. FIG. 42 also depicts a portion of a tibialeminence 1108 at the proximal end 1104 of the tibia 1106. For at leastsome patients that undergo a knee implant procedure, the anterior andposterior cruciate ligaments may still be attached to the tibialeminence 1108. Thus, for at least some knee implant procedures, such asprocedures in which the attachments of the anterior and posteriorcruciate ligaments to the tibial eminence 1108 are intact, the exemplarytibial cutting block 1100 can be configured to at least assist inattempts to retain the tibial eminence 1108 and the associatedattachments, while other generally adjacent portions of bone at theproximal end 1104 of the tibia 1106 is resected. Conversely, accordingto other procedures, including, for example, procedures in which theanterior and posterior cruciate ligaments are damage, the tibial cuttingblock 1100 can be configured the remove tibial eminence 1108, as well asthe attached ligaments and adjacent bone, via resection of at least aportion of the proximal end 1104 of the tibia 1106.

The exemplary tibial cutting block 1100 depicted in FIG. 42 can includean anterior tibial portion 1110, a medial tibial paddle 1112, and alateral tibial paddle (not shown). The anterior tibial portion 1110 canbe configured to overly a portion of the anterior face 1114 of the tibia1106. The medial tibial paddle 1112 can be configured to overly at leasta portion of the medial plateau, while the lateral tibial paddle, whichcan have a configuration that is generally similar to that of the medialtibial paddle 1112, can be configured to overly at least portions of thelateral plateau of the tibia 1106. Further, although not illustrated,the anterior tibial portion 1110, medial tibial paddle 1112 and lateraltibial paddle of the tibial cutting block 1100 can include boneinterfacing surfaces that are configured to interact with opposingportions of the proximal end 1104 of the tibia 1106, and/or interactwith or otherwise accommodate associated cartilage at or around thetibia 1106.

The tibial cutting block 1100 can also include a cutting slot 1116 thatis that is sized to receive insertion of a cutting blade that can cut orresect the tibia 1106. According to the illustrated embodiment, thecutting slot 1116 is oriented on the medial half of the anterior side ofthe tibial cutting block 1100. The cutting slot 1116 can be formedthrough the bone interfacing portions of the tibial cutting block 1100,or may be recessed from the bone interfacing surfaces. The thickness ofthe cutting slot 1116 can help direct the orientation of the cuttingtool, such as, for example, a saw blade, as the cutting tool advancesthrough the cutting slot 1116. Further, the translation of the cuttingslot 1116 relative to the tibial cutting block 1100, can, according toat least certain cutting blocks, at least assist in setting a resectiondepth.

The tibial cutting block 1100 can include a plurality of pin holes 1118that can each be configured to receive pins 1102 that are insertedand/or driven into a portion of the tibia 1106. At least some of the pinholes 1120 can receive pins 1118 that can be used to at least secure thetibial cutting block 1100 to the tibia 1106, while other pins 1120 thatextend through the tibial cutting block 1100 can also, or alternatively,be used in connection with aligning a component of the implant systemthat will be implanted in the patient.

According to at least certain types of implant procedures, preparationof the bone for an implant component may involve cutting a portion ofthe bone. For example, as discussed above, the exemplary tibial cuttingblock 1100 can be positioned such that at least a portion of the bone isremoved via operation of the cutting instrument in the cutting slot1116. Further, the cutting slot 1116 may be positioned so that thecutting instrument is anticipated to cut the bone along a selected firstcutting line (as indicated by “CL₁” in FIG. 42 ). Thus, when the cutbone is removed, a resected bone surface at of the tibia 1106 generallyadjacent to, or directly beneath the first cut line, may be provide at,and/or across, the proximal end 1104 of the tibia 1106.

The shape and/or size of the tibia 1106, among other bones, is generallynot uniform. Further, with respect to the tibia 1106 for example, thesize and/or shape of the tibia 1106 can vary in a non-uniform manneralong at least the mechanical axis of the tibia 1106 in thedistal-proximal direction. For at least certain patients and/or for atleast certain bones, such lack of uniformity and associated variance inthe size and/or shape of the tibia 1106 can, traditionally, result in adegree of unpredictability in at least the size and/or shape of the bonethat remains at a cut or resected surface of the tibia 1106. Thus, forexample, FIG. 42 illustrates a second cutting line (as indicated by“CL₂” in FIG. 42 ) that is linearly offset from the first cutting lineCL₁ such that the second cutting line CL₂ is at a different cuttingdepth relative to the linear location of the first cutting line CL₁about the proximal end 1104 of the tibia 1106.

In view of the non-uniformity in the shape and/or size of the tibia1106, setting the cutting slot 1116 of the tibial cutting block 1100 atthe second cutting line CL₂ could result in at least the resultingresected bone surface of the tibia 1106, and/or the remaining portion ofthe tibia 1106 around the cut or resected bone surface, having adifferent shape and/or size than the cut or resected bone surface thatcan result from cutting or resecting the tibia along the first cuttingline CL₁. Further, the nature of the non-uniform variations in the shapeand/or size of the bone, in this example the tibia 1106, can result in adegree of unpredictability as to the extent of the differences in thesize and/or shape of the bone surface that will result from cutting orresecting the tibia 1106 along the first or second cut lines CL₁, CL₂,among other possible bone cut locations.

Such potential differences in the resulting size and/or shape of thetibia 1106 after the tibia 1106 is cut or resected can, in at leastcertain circumstances, not be realized or otherwise known until aftersuch cutting of the tibia 1106 has commenced or concluded. Additionally,such discovery of an unanticipated size and/or shape of the resultingcut or resected bone surface also can, in at least some instances,coincide with the unanticipated variation in the actual location of thetibial eminence 1108. For example, FIG. 43 illustrates a medial sideperspective view of an exemplary bi-cruciate retaining tibial tray 1122positioned on a resected bone surface 1120 at a proximal end 1104 of thetibia 1106. As shown in the depicted example, the anticipated sizeand/or shape of the resected bone surface 1120, such as, for example,the size and/or shape of the resected bone surface 1120 around theproximal tibia periphery 1124, can be different from the actual shapeand/or size that remains after bony resection. However, again, thosedifferences may remain unknown until after the bony resection hascommenced or concluded. Thus, in the example depicted in FIG. 43 , anunexpected difference in the size and/or shape of the resected bonesurface 1120 can result in compromised tray coverage. For example, suchan unexpected variance in the size and/or shape of the tibia 1106 at theresected bone surface 1120 can result in the under-hanging of thebi-cruciate retaining tibial tray 1122 at least about a portion of theproximal tibia periphery 1124, which can result in the absence ofcontact between the tibial tray 1122 and the cortical rim along at leasta portion of the cortical rim.

FIG. 44 illustrates a schematic flow diagram of an exemplary process1300 for preoperative planning that includes virtual visualization andanalysis for bone preparation and orthopedic implant design andpositioning. As noted above, the blocks illustrated for the processes inthe present application are understood to be examples only, and blockscan be combined or divided, and added or removed, as well as re-orderedin whole or in part, unless explicitly stated to the contrary. Further,while the below exemplary process is discussed with respect topreparation of a tibia and associated ligaments, the below discussedprocess is also applicable to a variety of other bones, ligaments,and/or implant procedures, including, but not limited to implantprocedures, and any associated bone resection, involving hips,shoulders, and ankles, among other joints and associated bones. Further,the bone referred to herein may be a bone of a human or of an animal.

At block 1302, one or more images of at least the bone(s) that is/are tobe resected are obtained. Such images can be obtained using a variety ofdifferent imaging sources or technology, including, for example,magnetic resonance imaging (MRI), X-ray(s), computerized tomography (CT)scans, ultrasounds, two and/or three-dimensional cameras, among otherimaging sources, systems, or technology that can take images orotherwise provide information regarding the size and/or shape of thebone. For example, one or more images obtained at block 1302 can,according to certain embodiments, be of at least the proximal end 1104of the tibia 1106 of a particular patient who will be undergoing a kneeimplant procedure. Additionally, while block 1302 is discussed withreference to obtaining images, the information obtained at block 1302may also, or alternatively, include information from anthropometrics ofthe patient prior to surgery using, for example, motion capture, forceplate data, stair climb data, stair descend data, and/or chair risedata, among other types of data. Further, the imaging can also includeobtaining at least certain measurements of the bone and/or patient,including, for example, anatomic measurements and/or biomechanicmeasurements.

At block 1304, the images obtained at block 1302 can be used to generatea two-dimensional and/or three-dimensional computer model(s) of thebone(s), such as, for example, a two-dimensional and/orthree-dimensional image of at least the proximal end 1104 of the tibia1106. The virtual model of the bone, along with other models discussedherein, can be computer generated in a variety of manners, as discussed,for example, in U.S. patent application Ser. No. 14/232,958, filed onMar. 21, 2014, the contents of which are incorporated herein in theirentirety. For example, according to certain embodiments, usingappropriate software, two and/or three-dimensional more images taken atblock 1302, as well as possible associated extrapolation, can be used togenerate a three-dimensional model of the bone(s). Alternatively, oroptionally, the one or more images, as well as an associated template ormodel based on the particular type of bone that was the subject of theimaging at block 1302, can be used to generate two-dimensional and/orthree-dimensional virtual model(s) of the bone(s).

Alternatively, according to certain embodiments, a model of thepatient's bone may not necessarily be generated. Instead, for example,measurements from the patient, and/or an application, such as, forexample, a web based application can be used that can allow the user tobe provided with virtual implant preparation information visualization.Further, such implant visualizing can be achieved in a variety ofdifferent manners, including, for example, via use of a medical imageviewer, which may provide visualization of at least both patient imagingand implant geometry, which can provide information that can be used todesign instrument(s) for the patient for use during the implantationprocedure.

Optionally, similar to block 1302, the process 1300 can also include, atblock 1306, obtaining one or more images of at least some of theligaments that may be directly affected by, or otherwise involved in,the planned surgical procedure. For example, with respect to apreparatory procedure involving the tibia 1106 for an knee implantprocedure, one or more images can be attained at block 1306 using avariety of different imaging sources or technology that provide at leastvisual information pertaining to characteristics of at least someligaments at or around the bone, are moreover, in this example, thetibia 1106. Such images can provide a variety of information, including,for example, information that detects, or which may be used todetermine, the location at which the ligament(s) attach to the bone. Forexample, with respect to the tibia 1106, such information may indicateand/or provide information that can be used to determine or approximateinsertion locations of the anterior cruciate ligament (ACL) and/or theposterior cruciate ligament (PCL) relative to the tibial eminence 1108.While attaining such information may be useful with certain knee implantprocedures, such as, for example, uni-compartmental knee replacement(UKA) and bi-cruciate knee replacement (XR), for at least other types ofknee implant procedures in which the ACL and PCL (if present) may beremoved, such as, for example, total knee replacement (TKA), suchinformation may be unnecessary.

At block 1308, the images obtained at block 1306 can be used to generatea two-dimensional and/or three-dimensional model or representation ofthe ligaments. Similar to block 1304, the model generated at block 1308can, using the appropriate software, be generated using at least sometwo-dimensional and/or three-dimensional images and/or information, aswell as via possible associated extrapolation and/or models or templatesassociated with those ligaments and/or the corresponding joint. Further,while blocks 1302, 1304, are discussed separately from the blocks 1306,1308 associated with the imaging and virtual model generation for theligament(s), according to certain embodiments, the images obtained ateither block 1302 or 1306 can be used in connection with generating atwo and/or three-dimensional virtual model(s). For example, blocks 1302and 1304 can be used at either block 1304 or 1308 that includes both thebone(s) and the associated ligament(s). Alternatively, to the extentthat separate virtual models of the bone(s) and ligament(s) are eachgenerated at blocks 1304, 1308, according to certain embodiments, thoseseparate models may be combined or incorporated so that a single modelis provided that depicts both the bone(s) and the ligament(s).

Optionally, according to certain embodiments, the process 1300 caninclude, at block 1310, obtaining two-dimensional and/orthree-dimensional images of the implant system and/or associatedcomponent or preparatory tool that will be implanted or otherwise usedin preparing the bone and/or joint for the implantation. According tosuch an embodiment, the process 1300 can also include at block 1312, andsimilar to blocks 1304 and 1308, use of at least some of the imagesobtained at block 1310 to generate, using appropriate software, atwo-dimensional and/or three-dimensional virtual model of the implantsystem and/or associated component or preparatory tool. Alternatively,rather than generating a three-dimensional model via such images, thetwo-dimensional and/or three dimensional model may be provided via acomputer-added design or other computer design or image file(s) thatcorresponds to the particular implant system and/or associated componentor preparatory tool. For example, such models can be files that areprovided by the manufacturer of the implant system and/or of theassociated component or preparatory tool and which are imported and/oruploaded to the computer system being used for the evaluation of thesystem. Further, the implant system and/or associated implant componentscan also be imported without specifying component sizes so that, duringprocess 1300, optimum components sizes can be determined or selected bythe based on the below-discussed analyses and/or associated informationor data.

At block 1314, the models generated at blocks 1304, 1308, 1312, orotherwise provided, can be analyzed. According to certain embodiments,such analysis can include displaying, on a display or monitor, thecorresponding size and/or shape of the bone at particular potential bonecut locations. Such analysis may provide at least a virtualrepresentation, on the display, and before actual cutting of the bone,of the resulting size and shape of the resected bone surface followingthe bone cut at that particular location(s), including depth, of thebone. Moreover, such an analysis can include attaining visualrepresentations of the resulting size and/or shape of the resected bonesurface at a plurality of different cut locations. Thus, based on suchvirtual information, including a comparison of the differences in theresulting size and/or shape of the resected bone at different bone cutlocations, a preoperative decision can be made as to a particularlocation, or depth, at which the cut in the bone is to be made. Suchpreference, could, for example, be based on the extent to which theresulting size and/or shape of the resulting resected bone surfaceconforms to the size and/or shape of the implant system and/or componentthat may be positioned at that location. For example, with respect tothe tibia 1106, such analysis can include the extent to which there willbe cortical rim contact and/or bone coverage by a tibial plate that maybe secured to, or positioned adjacent to, the resected bone surface.Such analysis can also include investigating potential resultingweaknesses in the cut bone and surrounding portions of the bone,including, for example, potential resulting weakening of the tibialeminence 1108, that could be created or enhanced by resecting the boneat a particular location and/or depth.

Other factors or considerations, in addition to the size and/or shape ofthe resected bone surface formed by cutting into the bone at aparticular bone cut location can also be considered when determining thelocation for bony resection. For example, at block 1316 according tocertain embodiments and/or surgical procedures, the impact that bonyresection may have on any associated ligament(s) may also be virtuallyanalyzed, such as, for example, by a virtual representation on thescreen that may, or may not, be the same as the displayed virtualrepresentation of the bone. Such analysis can include detecting theinsertion location of ligaments into the bone, such as, for example, theACL and/or PCL into the tibia 1106.

According to certain embodiments, the process 1300 can also include, atblock 1318, evaluating the trade-offs or compromises that may made toone or more considerations for bony resections at different locationsalong the bone. For example, with respect to at least the discussedtibia 1106 example, there may not necessarily be a fixed relationshipbetween obtaining tibial tray 1122 coverage of the resected bone surfaceand maintaining the integrity of the corresponding or adjacentligament(s). Thus, while cutting the bone at a certain depth may bebeneficial in terms of the resulting size and/or shape of the boneproviding a surface for optimal tibial tray coverage, cutting to such adepth can adversely impact the connection, or strength thereof, betweenthe tibia 1106 and the ACL and/or PCL. Conversely, resecting a bone at alocation that may be optimal in terms of the connection of the ACLand/or PCL to the tibia 1106 may be less then optimal for tibial tray1122 coverage. Further considerations may be given more weight andimportance, including, for example, based on the relative importance tothe safety and/or needs of the patient and/or the functionality of theimplant system, among other bases.

Thus, at block 1318, preoperative decisions, and/or options, as to thelocation at which bony resection may occur, and the associated tradeoffsor compromises with respect to certain considerations, including tibialcoverage and ligament insertion locations, among other considerations,can be evaluated. According to certain embodiments, such trade-offs orcompromises can be evaluated in connection with generating virtualvisualization information pertaining to bone cuts for a plurality ofbone cut locations and/or virtual visualization of informationpertaining to the associated ligaments, among other information. Aspreviously discussed, such visualization information can include, forbone cuts at a plurality of locations along the bone, one or morevirtual versions, images, and/or representations of the resultingresected bone surface for each particular bone cut location. Accordingto certain embodiments, such virtual information can also includerelevant measurements or sizes, as well as representations of otherfeatures of the patient's anatomy or the associated implant system orcomponent. Further, according to certain embodiments, such informationcan be provided for approval or modification such as, for example,approval and/or modification by one or more members of a surgical team.However, again, such evaluation can be preoperative, and thus may assistin reducing the above-discussed surprises that can traditionally occurwhen the size and/or shape of the bone is realized during and/or afterthe resection of the bone.

At block 1320, one or more virtual procedures or operations using one ormore of the above-discussed virtual bone cut locations can be performed.For example, a surgeon or engineer may first virtually size andvirtually implant the above-discussed modeled implant onto theabove-discussed modeled bone, which, in the illustrated example, is avirtual knee implant component on a virtual representation of thepatient's tibia. Such virtual implantation can include attempting toobtain the best bone fit and mechanical axis alignment as is typicallyconventionally done, but without the pressure and associated risks of anactual surgery. This initial virtual sizing and virtual placement can bebased on a variety of surgical techniques, including, for example,techniques used to determine internal-external (IE) rotation of thetibia.

According to certain embodiments, such virtual procedures or operationscan be performed in connection with analyzing the trade-offs orcompromises discussed above with respect to block 1318. Alternatively,according to other embodiments, the virtual surgery can be performedafter the selection of one or more bone cut locations from block 1318.The virtual surgery provides a further opportunity to evaluate theselected location for bony resection, as well as any associatedtrade-offs or compromises. Such evaluation can, in at least certaincircumstances, result in modifications, adjustments, and/or anidentification of discrepancies in at least the planned bone cutlocation, among other potential modifications. For example, the virtualsurgery at block 1320 can provide information indicating the stresses inassociated bone, ligaments, muscle, and or tissue. The virtual surgerycan also include, at block 1320, evaluating and/or modifying the sizingand/or configuration of components of the implant system and/orassociated preparatory tools based on the size and/or shape of the boneat the selected bone cut.

According to certain embodiments, the virtual surgery can also includeevaluating, or determining, the positioning of one or more pin holes inthe bone. With respect to the tibia 1106, such pin holes can includedistal holes that are used to line-up a datum block of a guide, which,as discussed below, can provide a platform that can establish a planeparallel to the bone cut of the tibia 1106 that will be made via use ofa cutting slot of a cutting block or guide. Additionally, or optionally,the pin holes can also include an eminence pin hole, which can be usedto set the medial-lateral (ML) position and internal-external (IE)rotation, of a tibial eminence for a vertical eminence cut. The virtualsurgery can also, according to certain embodiments, include marking, inthe virtual visualization of the bone and associated surgery, thelocation of the anterior eminence cut.

Thus, based on information obtained during the virtual surgery,consideration may be given as to whether to modify the preoperativeplan. For example, such modifications could include modifying the bonecut location, the orientation of the bone cut, the orientation and/orsize of any components of the implant system, and/or a ligament releaselocation, among other possible modifications. Accordingly, the virtualsurgery, among other steps in the process 1300 can be an iterativeprocess in which the impact of certain adjustments, modifications and/oroptions can be evaluated in connection with determining the operativeplan, and including the associated implant components, that willeventually be selected for use during surgery.

According to certain embodiments, upon completion of the virtual surgeryor surgeries and the compiling of the associated data, one or moresuggested locations of the bone cut and/or suggested sizes or featuresof the associated implant component can be presented for one or moremembers of the surgical team. For example, the data obtained from thevirtual surgery can provide sizes and/or relative spatial orientationsthe bone and/or implant component(s), along with one or more expectedperformance characteristics, such as, for example, ligament tension,range of motion, efficiency, stress environment(s), fixation strength,ligament balance, anatomic fit (e.g., bone fit), fixation force(s),and/or implant longevity, associated with said suggested sizes andrelative spatial orientations. The surgeon may then decide to re-orientthe components of the prosthesis and/or the bone cut location based onexpected performance characteristics calculated by the software in orderto optimize anatomic fit and biomechanic performance.

Additionally, various portions or steps of the process 1300 discussedherein, including, but not limited to, the virtual surgery at block1320, can utilize a medical image viewer. Further, for example, thevarious models discussed herein can be viewed in such a medical imageviewer and used for a variety of purposes, including, but not limitedto, reporting the proper pose of implant cuts as well as generatinginformation that can be used in instrument guide design.

At block 1322, a cutting block or guide can be created that has featuresthat generally correspond to, at least in part, the guide that wasapproved and/or modified from at least the virtual surgery. According tocertain embodiments, such a guide can also be built with pin holes,including the above-discussed pin holes for the datum block and eminencepin hole, that correspond with the features of the guide block that weredeemed suitable, or otherwise modified based on, at least the virtualsurgery from block 1320. Alternatively, according to certainembodiments, the location and/or orientation of the pin holes for thedatum block and eminence pin hole, as well as other pin holes, can be,at least in part, based on other features of the guide, such as, forexample, the location and/or orientation of the cutting slot. Accordingto certain embodiments, such a cutting slot and pin holes in the guidecan be oriented to the same articular surfaces that guide the block onthe bone during surgery.

Additionally, the virtual surgery, and associated determination offeatures of the corresponding custom-built cutting guide, can allow forthe building of a single cutting guide that can handle a variety ofdifferent types of procedures. For example, according to the illustratedembodiment and use with knee implant procedures, a single guide can bebuilt at block 1322 that can accommodate use for total knee replacement(TKA), uni-compartmental knee replacement (UKA), and bi-cruciate kneereplacement (XR) procedures. Thus, for example, if during surgery thebone is discovered to have certain damage, such as, for example,arthritis, osteoporosis, and/or the bone is too hard, among otherpotential issues relating to the bone, the type of implant surgery, suchas, for example, uni-compartmental knee replacement or bi-cruciate kneereplacement that was to be performed, may be changed, such as, forexample, changed to a total knee replacement procedure. Similarly, thetype of implant procedure may also be changed, such as, for example,changed to a total knee replacement, if during the operation one or moreligaments is/are discovered to have certain damage or injury. Accordingto the illustrated embodiment, the guide built at block 1322 canaccommodate such intraoperative adjustments, as, as discussed above, inthe illustrated example, as a single guide can be built to accommodatesuch different types of surgical and/or implant procedures.

FIGS. 45-47 illustrate an exemplary adaptive guide 1200 that can bebuilt at block 1322. As illustrated, the adaptive guide 1200 can includea paddle section 1202, a cutting and alignment section 1204, and ananterior pinning section 1206. Similar to the exemplary tibial cuttingblock 1100 depicted in FIG. 42 , the paddle section 1202 can include ananterior tibial portion 1208, a medial tibial paddle 1210, and a lateraltibial paddle 1212. The anterior tibial portion 1208 can be configuredto overly a portion of the of the anterior face 1114 of the tibia 1106,while the medial and lateral tibial paddles 1210, 1212 can be configuredto overly at least portions of the medial and lateral plateaus,respectively, of the tibia 1106. Further, although not illustrated, theanterior tibial portion 1208, medial tibial paddle 1210, and lateraltibial paddle 1212 of the adaptive guide 1200 can includebone-interfacing surfaces that are configured to interact with opposingportions of the proximal end 1104 of the tibia 1106 and/or associatedcartilage at or around the tibia 1106.

According to the illustrated embodiment, the medial and lateral tibialpaddles 1210, 1212 of the adaptive guide 1200 can each include one ofthe one or more paddle pin holes. The paddle pin holes can be positionedsuch that, when the adaptive guide 1200 is operably positioned on theproximal end 1104 of the tibia 1106, pins that extend through the paddlepin holes in medial and lateral tibial paddles 1210, 1212 can enter intothe proximal end 1104 of the tibia 1106.

Guide bosses 1213 can extend around one or more of the paddle pin holesthat can assist in directing the pins 1214 (FIGS. 48A and 48B)into/through the paddle pin holes and into the adjacent proximal end1104 of the tibia 1106. The guide bosses 1213 can have an outwardlyextending size that can guide the displacement of pins through at leastthe corresponding paddle pin holes, and thus through the adaptive guide1200, as the pins are impacted, drilled, or otherwise inserted into anadjacent portion of the tibia 1106. Each guide boss 1213 includes aguide orifice 1216 that is in fluid communication with the paddle pinholes, and which is sized to accommodate passage of a pin through theguide boss 1213. The guide bosses 1213 can be configured to direct thepins away from the edges of the tibia 1106 and/or generally limit theangular directions at which the pin can extend through the associatedadaptive guide 1200. Additionally, the relative placement of the guidebosses 1213, as well as the relative location of the associated adaptiveguide 1200, can allow for pins to be placed into the tibia 1106 atlocations that can accommodate further, or other, distal cuts of thetibia 1106, including, but not limited to, one or more recuts of thetibia 1106, that can be used to prepare the bone interfacing surface(s)of the tibia 1106 for implantation of a corresponding portion of theknee implant system.

According to certain embodiments, one or more of the guide bosses 1213includes a boss body 1218 and a removable capture portion 1220 thatgenerally define at least a portion of the guide orifice 1216. As shownby at least FIG. 48A, the capture portion 1220 is coupled to the bossbody 1218 by a neck portion 1222 that is sized to provide an undercutbetween the boss body 1218 and the capture portion 1220. Moreover, theneck portion 1222 provides a recess or undercut around at least aportion of the guide boss 1213. Thus, a cross-sectional wall thicknessbetween an inner wall of the guide boss at the guide orifice 1216 and anouter wall of the guide boss 1213 at the neck portion 1222 can bethinner than a corresponding cross-sectional wall thickness between theinner wall at the guide orifice 1216 and the outer wall of the guideboss 1213 at the boss body 1218 and/or the capture portion 1220.Further, a recess or undercut provided by the neck portion 1222 can besized to receive a tool, such as, for example a rongeur, that can bepositioned in the recess or undercut provided by the neck portion 1222and beneath the capture portion 1220. According to such an embodiment,as indicated by at least FIG. 48B, a pulling and/or twisting force canbe provided, via the tool, against the neck portion 1222 and/or thecapture portion 1220, such as, for example, a bottom wall 1224 of thecapture portion 1220, that can break the guide boss 1213, such as at theneck portion 1222, in a manner that allows the capture portion 1220 tobe detached from the boss body 1218. Thus, in the event a pin 1214received in the guide orifice 1216 of the guide boss 1213 is over driveninto the guide boss 1213, the capture portion 1220 can be selectivelyremoved so as to expose a portion of the over-driven pin 1214 that canbe subsequently coupled to a driver and backed out of the guide boss1213 and/or out of the associated bone.

Referencing FIG. 46 , according to certain embodiments, one or both ofthe medial and lateral tibial paddles 1210, 1212 of the adaptive guide1200 can also include a selectively removable paddle extension 1226. Asshown, the paddle extension 1226 can be sized to extend a length atwhich the associated medial tibial paddle 1210 and/or lateral tibialpaddle 1212 extends across the proximal end 1104 of the tibia 1106 atleast in the direction of the posterior side of the tibia 1106.According to the illustrated embodiment, the paddle extension 1226 canbe, at certain locations, separated from the adjacent portion of themedial or lateral tibial paddle 1210, 1212 by one or more perforations1228. For example, in the illustrated example, a first perforation 1228can extend through a portion of a sidewall 1230 of the lateral tibialpaddle 1212, while a second perforation 1228 can extend through aportion of a generally central area between the paddle extension 1226and the remainder of the lateral tibial paddle 1212. The perforations1228 can provide weakened areas and/or a bending location in the medialand/or lateral tibial paddle 1210, 1212 that can facilitate theselective detachment of the paddle extension 1226 from the associatedmedial and/or lateral tibial paddle 1210, 1212.

Referencing FIGS. 45-47 , the paddle section 1202 can also include aneminence indicator 1232 that can be generally positioned in, orotherwise extend into, an area between the medial and lateral tibialpaddles 1210, 1212 of the adaptive guide 1200. The eminence indicator1232 can be configured to provide a visual indicator as to a location ofat least a portion of bone that is to remain generally intact during,and after, bony resection. For example, according to the illustratedembodiment, the eminence indicator 1232 can be positioned to at leastindicate a width and an end location of at least a portion of the tibialeminence 1108 that, at least according to the decisions made inpreoperative planning, is not to be removed during bony resection.Further, according to the illustrated embodiment, at least a portion ofthe eminence indicator 1232 can provide a guide for a marking instrumentto transfer the information or locations provided by the eminenceindicator 1232 to the bone. For example, a marking instrument, such as,for example, a surgical pen, among other marking instruments, can use atleast a portion of the eminence indicator 1232 as a guide as the markinginstrument transfers information, such as particular locations, providedby the eminence indicator 1232 to the generally adjacent bone surface ofthe patient's bone.

According to the illustrated embodiment, the eminence indicator 1232comprises opposing first and second segments 1234, 1236. According tocertain embodiments, the first segment 1234 can comprise a portion ofthe medial tibial paddle 1210, such as, for example, at least a portionof an inner sidewall 1238 of the medial tibial paddle 1210.Alternatively, according to other embodiments, the first segment 1234can include a first body portion 1240 that inwardly extends from atleast a portion of medial tibial paddle 1210, such as the inner sidewall1238 of the medial tibial paddle 1210, and generally extends at least inthe direction of the opposing lateral tibial paddle 1212. According tothe illustrated embodiment, the first body portion 1240 of the firstsegment 1234 can be generally defined by opposing posterior and anteriorwalls 1242, 1244, as well as a medial wall 1246 that is generallypositioned opposite of the medial tibial paddle 1210.

Additionally, according to the illustrated embodiment, the first segment1234 can also include a first arm 1248 that inwardly extends from themedial wall 1246, and generally extends in at least the direction of thesecond segment 1236. The first arm 1248 can include opposing first andsecond walls 1248, 1250. As shown by at least FIG. 47 , according to atleast certain embodiments, the first wall 1250 of the first arm 1248 canbe generally parallel to the second wall 1252. Additionally, accordingto the illustrated embodiment, the second wall 1252 can extend from theanterior wall 1244 of the first body portion 1240 of the first segment1234. Further, as shown in at least FIG. 47 , although the first wall1250 can be oriented in a variety of manners with respect to the medialwall 1246 of the first body portion 1240 of the first segment 1234,according to the illustrated embodiment, the first wall 1250 can begenerally perpendicular to the medial wall 1246.

With respect to the second segment 1236, according to certainembodiments, the second segment 1236 can comprise a portion of thelateral tibial paddle 1212, such as, for example, at least a portion ofan inner sidewall 1254 of the lateral tibial paddle 1212. Alternatively,according to other embodiments, the second segment 1236 can include asecond body portion 1256 that inwardly extends from at least a portionof the lateral tibial paddle 1212 and generally in the direction of themedial tibial paddle 1210. According to the illustrated embodiment, thesecond body portion 1256 of the second segment 1236 can be generallydefined by opposing posterior and anterior walls 1258, 1260 as well as alateral wall 1262 that is generally positioned on an opposite side ofthe lateral tibial paddle 1212.

Additionally, according to the illustrated embodiment, the secondsegment 1236 can also include a second arm 1264 that inwardly extendsfrom the lateral wall 1262 generally in the direction of the secondsegment 1236, and moreover, in the direction of the first arm 1248. Thesecond arm 1264 can include opposing first and second walls 1266, 1268.As shown by at least FIG. 47 , according to at least certainembodiments, the first wall 1266 of the second arm 1264 can be generallyparallel to the second wall 1268. Additionally, according to theillustrated embodiment, the second wall 1268 can extend from theanterior wall 1260 of the second body portion 1256 of the second segment1236. Further, as shown in at least FIG. 47 , although the first wall1266 can be oriented in a variety of manners with respect to the lateralwall 1262 of the second body portion 1256 of the second segment 1236,according to the illustrated embodiment, the first wall 1266 can begenerally perpendicular to the lateral wall 1262.

Additionally, according to the illustrated embodiment, the medial wall1246 of the first segment 1234 can be generally parallel to the lateralwall 1262 of the second segment 1236. Further, the first walls 1250,1266 of the first and second arms 1248, 1264 can be generally paralleland aligned with each other such that, absent a gap 1270 therebetween,the first wall 1250 of the first arm 1248 could be a continuation of thefirst wall 1266 of the second arm 1264. Similarly, according to certainembodiments, the second walls 1252, 1268 of the first and second arms1248, 1264 can be generally parallel and aligned with each other suchthat, absent the gap 1270 therebetween, second wall 1252 of the firstarm 1248 could be a continuation of the second wall 1268 of the secondarm 1264.

According to the illustrated embodiment, at least the medial and lateralwalls 1246, 1262 of the first and second body portions 1240, 1256, andthe first walls 1250, 1266 of the first and second arms 1248, 1264 cangenerally define an eminence gap 1272 that is sized to generallycorrespond to a size of at least a portion of the tibial eminence 1108that is not to be removed during resection of the tibia 1106. Forexample, the medial and lateral walls 1246, 1262 of the first and secondbody portions 1240, 1256 can be separated by a distance that cangenerally correspond to a width of the tibial eminence 1108 that is tobe retained. Further, the first walls 1250, 1266 of the first and secondarms 1248, 1264 can generally define an ending location of the tibialeminence 1108. Thus, according to certain embodiments, the combinationof the medial wall 1246 and the first wall 1250 of the first arm 1248and the combination of the lateral wall 1262 and the first wall 1266 ofthe second arm 1264 can provide an indication of the anterior corners ofthe tibial eminence 1108. Further, according to certain embodiments, theparticular sizing and orientation of the eminence indicator 1232,including, for example, the relative positions and/or orientations of atleast the medial wall 1246, lateral wall 1262, first wall 1250 of thefirst arm 1248, and/or the first wall 1266 of the second arm 1264 can bedetermined using the images and/or models from the process 1300discussed above, among other information.

As previously discussed, in the illustrated embodiment, the locationinformation provided by the eminence indicator 1232 can be transferredto the tibia 1106 to provide visual markers or borders that cancorrespond to the location of the anterior corners of an eminence cut.Moreover, such location and marking of the anterior corners of aneminence cut can provide an indication of which portions of the boneand/or tibial eminence 1108 are to be cut, and/or what portion(s) orregion of the tibial eminence 1108 is/are not to be cut. For example,with the eminence indicator 1232 operably positioned via the operablecoupling of the adaptive guide 1200 to the proximal end 1104 of thetibia 1106, such as, for example, the adaptive guide 1200 pinned to thetibia 1106 at a selected or predetermined orientation and/or position,the edges of at least a portion of the eminence indicator 1232 can betraced or otherwise provide a guide for a marking instrument, such as,for example, a surgical pen, among other types of marking instruments.Thus, for example, the medial wall 1246 and lateral wall 1262 of thefirst and second segments 1234, 1236 of the eminence indicator 1232 canbe used as a guide for the marking instrument to place first and secondmarkings 1274 a, 1274 b, respectively, (FIG. 49 ) on the tibia 1106 thatcan indicate a location, or width, of the tibial eminence 1108 that isto be retained. Similarly, the first walls 1250, 1266 of the first andsecond arms 1248, 1264 can be used as guides for placing third andfourth markings 1274 c, 1274 d (FIG. 49 ), respectively, that canindicate the ending location of the tibial eminence 1108. Further, asshown by FIG. 49 , rather than being separate markings 1274 c, 1274 d,the marking location provided by the first walls 1250, 1266 of the firstand second arms 1248, 1264 can form a continuous marking that extendsbetween the first and second markings 1274 a, 1274 b, and thereby format least the visual markings for the anterior corners of an eminencecut.

Additionally, according to certain embodiments, the medial tibial paddle1210 can also be configured to provide an indication of a location ofthe internal-external (IE) rotation of the tibial eminence 1108 that isto be preserved. For example, according to the illustrated embodiment,at least a portion of the inner sidewall 1238 of the medial tibialpaddle 1210 can be configured such that, when the adaptive guide 1200 isoperably secured to the tibia 1106, the inner sidewall 1238 ispositioned at a location that corresponds to at least a portion of theIE rotation of the tibial eminence 1108 that is to be preserved.Moreover, at least a portion of the inner sidewall 1238 of the medialtibial paddle 1210 can be configured to provide an edge that can,similar to the eminence indicator 1232, provide a location that can betraced, or otherwise guide, a marking instrument that can transfer thelocation of the inner sidewall 1238, and thus the indicated location ofthe IE rotation, to the proximal end 1104 of the tibia 1106. Forexample, FIG. 49 illustrates a marking 1274 e that has been transferredto the proximal end 1104 of the tibia using the inner sidewall 1238 ofthe medial tibial paddle 1210 as a guide, and which can provide anindication of the IE rotation that is to be preserved.

As shown in at least FIGS. 45 and 46 , the cutting and alignment section1204 of the adaptive guide 1200 can include a cutting slot 1276 and oneor more pin holes 1278. Similar to the cutting block 1116 discussedabove with respect to the exemplary tibial cutting block 1100 depictedin FIG. 42 , the cutting slot 1276 of the adaptive guide 1200 can besized to receive insertion of a cutting blade that can cut or resect thetibia 1106. According to the illustrated embodiment, the cutting slot1276 is oriented on the medial half of the anterior side of the adaptiveguide 1200, and can be formed through the bone interfacing portions ofthe adaptive guide 1200, or may be recessed from the bone interfacingsurfaces. The thickness of the cutting slot 1276 can help direct theorientation of the cutting tool, such as, for example, saw blade, as thecutting tool advances through the cutting slot 1276. Further, thetranslation of the cutting slot 1276 relative to the adaptive guide1200, can, according to at least certain adaptive guides, assist insetting a resection depth.

Similar to other pin holes in the adaptive guide 1200, the one or morepin holes 1278 of the cutting and alignment section 1204 can beconfigured to accommodate passage of at least a portion of a pin througheach of the pin holes 1278 and into the tibia 1106. According to theillustrated embodiment, at least a plurality of the pin holes 1278 canbe positioned about the cutting and alignment section 1204 of theadaptive guide 1200 so that a pin inserted therein can extend into thetibia 1106 at, or in the general vicinity of, an anterior face 1114 ofthe tibia 1106. Further, according to the illustrated embodiment, atleast one pin hole 1278 a, also referred to as an orientation stylus pinhole, of the cutting and alignment section 1204 can be positioned toreceive a pin that extends into a hole 1280 (FIG. 49 ) in the tibia 1106that can be used in connection with the later mounting of an armedportion 1282 of an orientation stylus 1284, as shown in FIG. 50 , to thetibia 1106.

The anterior pinning section 1206 of the adaptive guide 1200 can includepin holes 1286 a, 1286 b that extend through the adaptive guide 1200 andinto corresponding holes in, or around, at least the anterior face 1114of the tibia 1106. According to the illustrated embodiment, the pinholes 1286 a, 1286 b of the anterior pinning section 1206 can include atleast some pin holes 1286 a, 1286 b that can correspond to, or areotherwise be generally in alignment with, recut holes in the tibia 1106.Such recut holes could, if used, correspond to the relatively secureplacement of a recut cutting block using pins that extent into thoserecut holes in the tibia, and could be used in the event a subsequentre-cut of the tibia is to be performed. Alternatively, or optionally,the pin holes 1286 a, 1286 b could be used at least in connection withpin holes in the tibia 1106, and/or the associated pins receivedtherein, for other preparatory tools that can be secured to the tibia1106.

The adaptive guide 1200 can also include a datum block 1290 that canprovide a platform that can establish a plane that is parallel to a cutin the tibia 1106 that is formed via using of cutting slot 1276 of theadaptive guide 1200. As shown in at least FIGS. 45 and 46 , the datumblock 1290 can be positioned beneath the above-discussed pin holes 1286a, 1286 b of the anterior pinning section 1206. Further, according tothe illustrated embodiment, the datum block 1290 can generally provide adistal end or side of the adaptive guide 1200 along at least a portionof the anterior side of the adaptive guide 1200.

The datum block 1290 can also include one or more datum pin holes 1288a, 1288 b that, similar to the pin holes 1286 a, 1286 b, are configuredto accommodate passage of at least a portion of a pin 1292 through thedatum pin holes 1288 a, 1288 b and into the tibia 1106. According tocertain embodiments, the datum pin holes 1288 a, 1288 b can beconfigured to guide pins 1292 (FIG. 47 ) to a location(s), and/orprovide pins at a relative orientation, that can correspond to the pinhole arrangement(s) of other preparatory tools. For example, accordingto the illustrated embodiment, the datum pin holes 1288 a, 1288 bcomprises two datum pin holes 1288 a, 1288 b that are configured toreceive pins 1292 that are generally parallel to each other, and whichextend into the anterior face 1114 of the tibia 1106.

When the adaptive guide 1200 is removed from the tibia 1106, a portionof an orientation stylus 1284 (FIG. 49 ) having pin holes having arelative orientation similar to the anterior parallel pins 1292 can besecured to the tibia 1106 via at least the anterior parallel pins 1292,as shown in FIG. 49 . As previously mentioned, the orientation stylus1284 can include an armed portion 1282 that can, according to at leastcertain embodiments, be positioned relative to at least the tibia 1106using a pin hole 1280 in the tibia 1106 that was generally aligned withthe orientation stylus pin hole 1278 a of the adaptive guide 1200.Further, such a process can also include aligning or centering arms 1294of the armed portion 1282 of the orientation stylus 1284 with theabove-discussed markings 1274 a-d that were transferred to the tibia1106 through use of the eminence indicator 1232, as well as orientingthe arms 1294 to be generally parallel to the marking 1274 ecorresponding to the IE rotation of the tibia 1106, as discussed above.

FIG. 51 illustrates an anterior view of a general knee joint in which anexemplary femoral cutting block 2100 and an exemplary tibial cuttingblock 2102 are coupled to the associated femoral and tibial bones 2104,2106, respectively. According to the depicted embodiment, the femoraland tibial cutting blocks 2100, 2102 are configured to engage portionsof bone and cartilage on the femur 2104 and tibia 2106, respectively, inat least an attempt to align cutting surfaces within the cutting blocks2100, 2102. More specifically, according to the depicted embodiment, thefemoral cutting block 2100 is configured to facilitate a distal cut onthe femur 2104, and the tibial cutting block 2102 is configured tofacilitate a proximal cut on the tibia 2106, that can be made inconnection with the installation of a knee replacement system. Moreover,according to the illustrated embodiment, the femoral and tibial cuttingblocks 2100, 2102 can be configured to provide guidance with respect tothe resection of bone 2104, 2106 for an implant procedure(s) and withoutthe use of either intramedullary or extramedullary guides.

While, for at least purposes of illustration, FIG. 51 illustrates a pairof exemplary femoral and tibial cutting blocks 2100, 2102, embodimentsof the subject application are applicable to a variety of cutting blocksand/or cutting blocks used for a variety of different types ofprocedures and/or implantations, as well as other preparatory implanttools. For example, according to certain embodiments, the femoral andtibial cutting blocks 2100, 2102 can be configured for use in total kneereplacement, uni-compartmental knee replacement, and/or bi-cruciate kneereplacement. Additionally, as will be readily apparent herein,embodiments of the subject application are applicable to conventionalslotted cutting blocks or guides, as well as patient-specific orcustomized cutting blocks. Further, the femoral and tibial cuttingblocks 2100, 2102 can be constructed from a variety of differentmaterials, including, for example, metal, plastic, and/or nylon cuttingblocks, as well as cutting blocks constructed from a variety of othermaterials. Additionally, while embodiments discussed herein areillustrated with respect to knee implant systems and the associatedcutting blocks, the subject application is also applicable to implantsystems and tools, including, for example, implant systems relating toshoulders and hips, among other implant systems.

The exemplary femoral cutting block 2100 includes an anterior femoralportion 2108, a medial femoral paddle 2110, and a lateral femoral paddle2112. According to the illustrated embodiment, these portions 2108,2110, 2112 of the femoral cutting block 2100 can be configured to, whenthe femoral cutting block 2100 is operably positioned and/or secured tothe distal end 2128 of the femur 2104, overlie portions of the anteriorface, medial condyle and lateral condyle of the femur 2104,respectively.

As shown in the illustrated embodiment, at least the exterior surface ofthe femoral cutting block 2100 can include one or more pin holes 2114a-d, guide bosses 2115, a mechanical axis index 2116, and a cutting slot2118. According to certain embodiments, the mechanical axis index 2116can provide a visual reference point(s) at which the surgeon can, inconnection with operably positioning and securing the femoral cuttingblock 2100 to the femur 2104, generally align the femoral cutting block2100 with the mechanical axis of the femur 2104. According to at leastcertain procedures, imaging of the patient, including, for example,magnetic resonance imaging (MM), X-ray(s), and/or computerizedtomography (CT) scans, among other imaging techniques, of at least thefemur 2104 can be used to assist with at least attempting to aligningthe mechanical axis index 2116 of the femoral cutting block 2100 to themechanical axis of the femur 2104.

The femoral cutting block 2100 can further include a cutting slot 2118that is sized to receive insertion of a cutting blade that can cut orresect the femur 2104. Further, the cutting slot 2118 can be configuredto at least assist in guiding the location, including depth, at whichthe blade that is inserted into the cutting slot 2118, and reciprocatedor otherwise operated therein, is to cut into the femur 2104. Thus, thecutting slot 2118 can be oriented, via the orientation of the femoralcutting block 2100 relative to the femur 2104, to direct the distal cuton the femur 2104 for preparation of implantation of the associatedimplant device or system. When positioning and/or orienting the femoralcutting block 2100 onto and/or relative to the femur 2104, one or moreimaging techniques and/or surgeon preference may be used to determine alocation of the cutting slot 2118 of the femoral cutting block 2100relative to the femur 2104, for example as described above.

As discussed below, one or more pin holes 2114 a-d of the femoralcutting block 2100 can be configured and/or oriented to receive pinsthat extend through the pin holes 2114 a-d and into an adjacent portionof the femur 2104. At least some of the pins can assist with generallyoperably securing, coupling, and/or pinning the femoral cutting block2100 at a selected position and/or orientation to the femur 2104, whileother pins, and/or the associated pin holes in the patient's bone canassist in at least aligning at least a portion of the implant systemthat will be implanted in the patient.

Guide bosses 2115 can extend around one or more of the pin holes 2114a-d that can assist in directing the pins into/through the pin holes2114 a-d and into the adjacent bone. The guide bosses 2115 can have anoutwardly extending size that can guide the displacement of pins throughat least the corresponding pin hole 2114 a-d, and thus through thefemoral cutting block 2100, as the pins are impacted, drilled, orotherwise inserted into an adjacent portion of the femur 2104. Forexample, the bosses 2115 can be configured to at least direct the pinsaway from the edges of the bone and/or generally limit the angulardirections at which the pin can extend through the associated pin hole2114 a-d. Additionally, the relative placement of the bosses 2115, aswell as the relative location of the associated pin holes 2114 a-d, canallow for pins to be placed into the femur 2104 at locations that canaccommodate further, or other, distal cuts of the femur 2104, including,but not limited to, one or more recuts of the femur 2104, that may beused to prepare the bone interfacing surface(s) of the femur 2104 forimplantation of a corresponding portion of the knee implant system.

A first set of one or more of the pin holes 2114 a, 2114 b, referred toherein as recut holes 2114 a, 2114 b, can be oriented on an anteriorface portion 2120 of the femoral cutting block 2100, including, forexample, generally at or in relative proximity to the anterior femoralportion 2108. Thus, according to the illustrated embodiment, the recutholes 2114 a, 2114 b can each be oriented to receive passage of a pinthat enters, and is inserted into, the anterior face 2122 of the femur2104. FIG. 54 provides an example location in the femur 2104 at whichpins that were driven through recut pin holes 2114 a, 2114 b of theexemplary femoral cutting block 2100 can form recut holes 2124 throughthe anterior face 2122, and into a portion, of the femur 2104.Additionally, according to certain embodiments, one or more of the recutholes 2114 a, 2114 b can have guide bosses 2115. Alternatively, oroptionally, one or more recut holes 2114 a, 2114 b of the femoralcutting block 2100 can, similar to the auxiliary pin hole 2117 in FIG.51 , be generally flush with the adjacent surface of the anterior face2122 of the femoral cutting block 2100.

According to the illustrated embodiment, the medial and lateral femoralpaddles 2110, 2112 can include a second set of one or more pin holes2114 c, 2114 d, referred to collectively as paddle holes 2114 c, 2114 d.As shown for example by at least FIGS. 52 and 53 , according to theillustrated embodiment, the medial and lateral femoral paddles 2110,2112 can each include one or more paddle holes 2114 c, 2114 d. Further,according to at least certain embodiments, as shown in at least FIG. 52, the paddle holes 2114 c, 2114 d can be located in relatively thinposterior portions of the medial and lateral femoral paddles 2110, 2112.According to the illustrated embodiment, the paddle holes 2114 c, 2114 dcan be positioned such that, when the femoral cutting block 2100 isoperably positioned on the femur 2104, pins that extend through thepaddle holes 2114 c, 2114 d in medial and lateral femoral paddles 2110,2112 enter into a distal end 2128 of the femur 2104, such as, forexample, into at least the medial and lateral condyles, respectively, ofthe femur 2104. FIG. 54 provides an example illustration of the locationof the distal holes 2126 formed in the distal end 2128 (FIG. 51 ) of thefemur 2104 via pins that were inserted into the paddle holes 2114 c,2114 d in medial and lateral femoral paddles 2110, 2112 of the femoralcutting block 2100. As is apparent, FIG. 54 depicts a portion of thedistal holes 2126 that extend through a cut surface 2130 of the femur2104 that was formed via resection of at least a portion of the distalend 2128 of the femur 2104.

The second set of pin holes, or paddle holes, 2114 c, 2114 d of thefemoral cutting block 2100 can be oriented relative to each other basedon a particular design of the implant type, such as, for example, thedesign of the associated model, brand, and/or manufacturer of kneeimplant system, that is being, or will be, implanted in the patient.Moreover, the paddle holes 2114 c, 2114 d of the femoral cutting block2100 can be oriented relative to each other to correspond to thelocation and/or orientation at which the distal holes 2126 are, or areto be, in the femur 2104 for the particular implant system that isbeing, or will be, implanted in the patient. Further, such relativelocations of the distal holes 2126 in the femur 2104 can be implantspecific in that, for example, the location and/or orientation of thedistal holes 2126 in the femur 2104, and associated pins therein, forone particular knee implant system may be different from the locationand/or the position of such distal holes 2126 for other knee implantsystems.

Thus, for example, the paddle holes 2114 c, 2114 d of a first femoralcutting block 2100 may have a first configuration, such as, for example,a relative location and/or orientation about the medial and lateralfemoral paddles 2110, 2112 of the first femoral block 2100, thatcorresponds to the relative location and/or orientation at which thedistal holes 2126 are to be positioned in the femur 2104 based on theparticular design of a first knee implant system, while a differentsecond femoral cutting block 2100 can have paddle holes 2114 c, 2114 dat second configuration such as, for example, a relative location and/ororientation about the medial and lateral femoral paddles 2110, 2112 ofthe second femoral block 2100, that corresponds to the particular designof a second, different knee implant system, the first configurationbeing different from, and not compatible with, the second configuration.In such situations, the differences between, and incompatibility of, thefirst and second configurations of the paddle holes 2114 c, 2114 d ofthe different first and second cutting blocks may, traditionally,preclude the surgeon from being able to properly use the second femoralcutting block 2100 in connection with the implantation of the first kneeimplant system.

FIG. 53 illustrates bone facing surfaces of another exemplary femoralcutting block 2100′. As shown, the femoral cutting block 2100′ caninclude an anterior interfacing portion 2132, a medial interfacingportion 2134, a lateral interfacing portion 2136, and an intercondylarinterfacing portion 2138. According to at least certain embodiments, theanterior interfacing portion 2132 can be positioned to overlie a portionof the anterior face 2122 of cartilage and bone of, and/or around, thefemur 2104. The medial interfacing portion 2134, lateral interfacingportion 2136, and intercondylar interfacing portion 2138 can overlie themedial, lateral and intercondylar notch portions of the condyles,respectively. As shown by FIG. 53 , according to at least certainembodiments, the recut holes 2114 a, 2114 b can extend through theanterior interfacing portion 2132, while the paddle holes 2114 c, 2114 dcan extend through one or both of the medial and lateral interfacingportions 2134, 2136.

Referencing FIGS. 51, 55A and 55B, the tibial cutting block 2102 caninclude an anterior tibial portion 2140, a medial tibial paddle 2142,and a lateral tibial paddle 2144. The anterior tibial portion 2140 canbe configured to overly a portion of the of the anterior face 2146 ofthe tibia 2106, while the medial and lateral tibial paddles 2142, 2144can be configured to overly at least portions of the medial plateau andlateral plateau of the tibia 2106, respectively. Further, although notillustrated, the anterior tibial portion 2140, medial tibial paddle2142, and lateral tibial paddle 2144 of the tibial cutting block 2102can include bone interfacing surfaces that are configured to interactwith opposing portions of the proximal end 2148 of the tibia 2106 and/orassociated cartilage at or around the tibia 2106.

The tibial cutting block 2102 can include a cutting slot 2150 that isthat is sized to receive insertion of a cutting blade that can cut orresect the tibia 2106. According to the illustrated embodiment, thecutting slot 2150 is oriented on the medial half of the anterior side ofthe tibial cutting block 2102. The cutting slot 2150, as well as thecutting slot 2118 of the femoral cutting block 2100, can be formedthrough the bone interfacing portions of the associated cutting block2100, 2102, or may be recessed from the bone interfacing surfaces. Thethickness of the cutting slots 2118, 2150 can help direct theorientation of the cutting tool, such as, for example, saw blade, as thecutting tool advances through the cutting slot 2118, 2150. Further, thetranslation of the cutting slot 2118, 2150 relative to the femoralcutting block 2100 and tibial cutting block 2102, respectively, can,according to at least certain cutting blocks 2100, 2102, at least assistin setting a resection depth.

The tibial cutting block 2102 can include a plurality of pin holes 2152a-d. Similar to the pin holes 2114 a-d of the femoral cutting block2100, the pin holes 2152 a-d of the tibial cutting block 2102 can beconfigured to receive pins that are inserted and/or driven into aportion of the tibia 2106. As discussed below, at least some of the pinholes 2152 a, 2152 b can be used to at least secure the tibial cuttingblock 2102 to the tibia 2106, and some, but not necessarily all, of thepin holes 2152 c, 2152 d can also be used in connection with pins and/orassociated holes in the tibia 2106 that can assist in aligning thecomponent of the implant system that will be implanted in the patient.Further, at least some of the pins and/or associated pin holes in thetibia 2106 that can be associated with use of the tibial cutting block2102 can also be used for other preparatory tools during differentstages of the implantation procedure.

A first set of one or more of the pin holes 2152 a, 2152 b of the tibialcutting block 2102, referred to herein as recut holes 2152 a, 2152 b,can be oriented on an anterior face portion 2154 of the tibial cuttingblock 2102, including, for example, generally at or in relativeproximity to the cutting slot 2150. According to the illustratedembodiment, the recut holes 2152 a, 2152 b can each be oriented toreceive passage of a pin that enters, and is inserted into, the anteriorface 2158 of the tibia 2106. FIG. 56 provides an example location in thetibia 2106 at which pins 2157 that can be driven through the recut holes2152 a, 2152 b of the exemplary tibial cutting block 2102 can form recutholes 2156 through the anterior face 2158, and into a portion, of thetibia 2106, respectively. While the pins 2157 shown in FIG. 56 aredepicted as extending only from the recut holes 2156 in the tibia 2106,similar pins 2157 can be used in connection with the other pin holes2114 a-d, 2152 c, 2152 d of the femur and tibial cutting blocks 2100,2102 and corresponding pin holes 2124, 2126, 2160 of the femur 2104 andtibia 2106. Additionally, according to certain embodiments, one or moreof the recut holes 2152 a, 2152 b can have guide bosses 2115 similar tothe guide bosses 2115 discussed above with respect to recut holes 2114a, 2114 b of the femoral cutting block 2100. Alternatively, oroptionally, as depicted in FIGS. 51, 55A and 55B, one or more of therecut holes 2152 a, 2152 b can be generally flush with the adjacentsurface of the anterior face 2158 of the tibia 2106.

A second set of one or more pin holes 2152 c, 2152 d, referred to hereina paddle holes 2152 c, 2152 d, can extend through one or more of themedial and lateral tibial paddles 2142, 2144. As shown for example by atleast FIGS. 55A and 55B, according to the illustrated embodiment, themedial and lateral tibial paddles 2142, 2144 can each include one of theone or more paddle holes 2152 c, 2152 d. Further, according to theillustrated embodiment, the paddle holes 2152 c, 2152 d can be locatedat the proximal end 2148 of the tibia 2106. According to the illustratedembodiment, the paddle holes 2152 c, 2152 d can be positioned such that,when the tibial cutting block 2102 is operably positioned on theproximal end 2148 of the tibia 2106, pins that extend through the paddleholes 2152 c, 2152 d in medial and lateral tibial paddles 2142, 2144 canenter into the proximal end 2148 of the tibia 2106. FIG. 56 provides anexample illustration of the location of the proximal holes 2160 formedin the proximal end 2148 of the tibia 2106 that are positioned toreceive pins that are inserted into the paddle holes 2152 c, 2152 d inmedial and lateral tibial paddles 2142, 2144 of the illustratedexemplary tibial cutting block 2102. As is apparent, FIG. 56 depicts aportion of the proximal holes 2160 extending through a cut surface 2162of the tibia 2106 that was formed via resection of at least a portion ofthe proximal end 2148 of the tibia 2106.

Similar to the above-discussed paddle holes 2114 c, 2114 d of thefemoral cutting block 2100, the second set of pin holes, or paddleholes, 2152 c, 2152 d in medial and lateral tibial paddles 2142, 2144 ofthe tibial cutting block 2102 can also be oriented relative to at leasteach other based on the particular design of a pin hole configurationfor the implant type, such as, for example, model, brand and/ormanufacturer of the knee implant system that is being, or will be,implanted in the patient. Moreover, the paddle holes 2152 c, 2152 d ofthe tibial cutting block 2102 can be oriented relative to each other tocorrespond to the location and/or orientation at which the proximalholes 2160 are, or are to be at, in the tibia 2106 for the design of theparticular implant system that is being, or will be, implanted in thepatient. Thus, for example, the paddle holes 2152 c, 2152 d of a firsttibial cutting block 2102 can have a first configuration, such as, forexample, a relative location and/or orientation, about the medial andlateral tibial paddles 2142, 2144 that correspond to the relativelocation and/or orientation at which the proximal holes 2160 are to bepositioned in the tibia 2106 for the design of a first knee system,while another, different second tibial cutting block 2102 can havepaddle holes 2152 c, 2152 d having a second configuration thatcorresponds to the relative location and/or orientation at which theproximal holes 2160 are to be positioned in the tibia 2106 for thedesign of a second, different knee system, the first configuration beingdifferent from, and not compatible with, the second configuration. Insuch situations, the differences between the first and secondconfigurations of the paddle holes 2152 c, 2152 d, and associatedincompatibility, can again traditionally preclude the surgeon from beingable to properly use the second tibial cutting block 2102 in connectionwith the implantation of the first knee implant system.

Accordingly, certain types of implant systems can be designed so thatthe location and/or orientation of certain pin holes, and/or the pinsthat are received therein, are implant specific in that the positions ofthe holes and/or associated pins in the patient's bone(s) may be part ofaligning a component(s) of that particular implant system that will beimplanted in the patient. Thus, such implant specific pin holes andassociated pins can have relative an orientation(s) or position(s) thatis/are unique to that particular implant system. For example, aspreviously discussed, with respect to knee implant systems, the relativelocation and/or orientation of distal holes 2126 that are, or are to be,formed in the distal end 2128 of the femur 2104, and/or the relativelocation and/or orientation of proximal holes 2160 that are, or are tobe, formed in the proximal end of the tibia 2106, can be generallyspecific to the type of implant device being implanted, such as, forexample, the model, brand, and/or manufacturer of the implant system.

Thus, for example, with respect to the above-discussed femoral andtibial cutting blocks 2100, 2102, the associated paddle holes 2114 c,2114 d, 2152 c, 2152 d can have configurations that are compatible withthe pin hole configuration for a particular knee implant system, andthat pin hole configuration may be different from, as well asincompatible with, a similar type of pin hole configuration or designfor other knee implant systems. Accordingly, when the associated femoraland tibial cutting block 2100, 2102 is properly positioned on the femur2104 or tibia 2106, the paddle holes 2114 c, 2114 d, 2152 c, 2152 d cangenerally align with, and/or be positioned at similar locations and/ororientations as, the actual or intended locations of the correspondingimplant specific pin holes, namely the distal and proximal holes 2126,2160 in the femur 2104 or tibia 2106, respectively, for one knee implantsystem, but may not be positioned for proper alignment with the distalor proximal holes 2126, 2160 in the femur 2104 or tibia 2106 for otherknee implant systems.

Conversely, other, non-implant-specific pin holes, and the associatedpins positioned therein, can be used to secure and/or position certainimplant preparatory tools used in connection with preparing bone 2104,2106 to receive an implant, but generally may not be used in connectionwith the eventual aligning of a component(s) of the implant system thatwill be implanted in the patient. For example, with respect to at leastknee implant systems, recut holes 2124, 2156 in the anterior face 2122,2146 of the femur 2104 and tibia 2106, respectively, can be used inconnection with securing and/or positioning a cutting block, and/or arecut cutting block, to the femur 2104 or tibia 2106, but may notthemselves be used in connection with aligning a component of the kneeimplant system that will be eventually implanted in the patient. Thus,preparatory implant tools, such as, for example, femoral and tibialcutting blocks 2100, 2102, can include both pin holes havingconfigurations that are similar to, or otherwise compatible with, animplant-specific pin hole configuration of the implant system that isbeing implanted, such as, for example, the above-discussed paddle holes2114 c, 2114 d, 2152 c, 2152 d, as well pin holes that havenon-implant-specific pin hole configurations, such as, for example,recut holes 2114 c, 2114 d, 2152 c, 2152 d.

According to certain embodiments, preparatory tools designed forparticular implant systems can be adapted for use with other implantsystems. Moreover, for example, a first preparatory tool, such as, forexample, a first cutting block, can be built for use with anotherimplant system, such as, for example, a second implant system, for whichthe first preparatory tool was not specifically designed. Such buildingof the first preparatory tool for use with the implantation of the othersystem can include modifying a portion of that first preparatory tool sothat the modified portion of the first preparatory tool conforms to thecorresponding design of the other knee implant system, but may notnecessarily, or no longer, conforms to the corresponding design of thefirst implant system.

For example, according to certain embodiments, a first preparatory tool,such as, for example, a cutting block, can be designed to have one ormore first pin holes along a first pin hole configuration, the first pinholes and first pin hole configuration being specific to at least afirst implant system. However, a surgeon may wish to use that firstpreparatory tool in connection with a second implant system. Yet, thesecond implant system may use a second preparatory tool in a mannersimilar to the intended use of the first preparatory tool that has oneor more second pin holes along a second pin hole configuration that isnot compatible with the first pin hole configuration of the firstpreparatory tool. According to certain embodiments, the surgeon can havethe option of selecting that first preparatory tool for use with theimplantation of the second implant system, and, based on that selection,have one or more features of the first preparatory tool be built to havefeatures and/or a configuration that allows the first preparatory toolbe compatible with the second implant system. Moreover, under thecurrent example, the selected first preparatory can be built such thatthe first preparatory tool includes the second pin holes are arranged inaccordance with the second pin hole configuration.

FIGS. 57A and 57B illustrate exemplary representations of snapshots of aportion of a graphical display presenting selectable options pertainingto knee implant systems and various different femoral cutting blocks.Such graphical displays can, for example, be provided from a variety ofdifferent sources, including, for example, via an on-line display from amanufacturer, that can be accessed via at least the internet. As shown,in the example provided by FIG. 57A, a user, such as, for example, asurgeon, has the opportunity to indicate a knee system that has been ormay be selected, for implantation in a patient. Moreover, in theillustrated example, the user is provided the opportunity to select, oridentify, from a plurality of knee implant systems, the particular kneeimplant system that has been, or may be, selected for implantation inthe patient, such as, for example, specifically identify one of “GII”,“Journey”, and “TC-PLUS”, along with the opportunity to select an“Other” option.

According to certain embodiments, after indicating the knee system thathas been, or may be, selected, for implantation in the patient, the usercan be presented the option of selecting particular preparatory toolsfor use during the implantation procedure. As shown by FIG. 57B, thepreparatory tools available for selection, such as, for example, a femurguide, can include both tools that were designed specifically for theimplant system that was selected in connection with FIG. 57A, as well asother alternative preparatory tools that were designed for other,different implant systems. For example, with reference to FIG. 57A, ifthe user selected the “Journey” knee implant system, then that user maybe also presented the option of using at least some of the preparatorytools designed for that selected knee implant system, such as the“Journey” femur guide. However, as shown by FIG. 57B, the user can alsobe presented the option of selecting for use other, alternativepreparatory tools that were not specifically designed for the selectedknee implant system, such as, for example, selecting to use the femurguides that were designed for the “GII” or “TC-PLUS” knee implantsystems. A determination of which other, alternative preparatory toolswill be provided as user selectable options for a particular selectedimplant system can be based on a variety of different factors,including, for example, the ability to modify the other, alternativepreparatory tool for use with selected, different implant system, themanufacturer(s) of the selected implant system and/or the preparatorytool, and/or the availability of the preparatory tool, among otherconsiderations.

As discussed above, to the extent necessary, the selected other,alternative preparatory tool can be built, or otherwise be modified, tobe compatible with at least certain aspects of the selected, differentimplant system. For example, with respect to the above-discussed femoralcutting block 2100, if needed, one or more of the recut holes 2114 a,2114 b can each be oriented on the selected other, alternativepreparatory tool so as to be at relative locations and/or orientationsthat is/are compatible with the recut pin hole configuration that isused by the femoral cutting block that was specifically designed for usewith the selected knee implant system. Similarly, if needed, the paddleholes 2114 c, 2114 d can also be positioned and/or oriented at locationsthat correspond to the locations at which the pin holes are to bepositioned at the distal end 2128 of the femur 2104. Thus, by providingsuch options to the user, a surgeon may be able to select for use, andhave built in conformance with, a preparatory tool of the surgeon'schoice or preference despite that preparatory tool not being specific tothe implant system that the surgeon is implanting. Further, while theabove-discussed example is discussed with respect to femur cuttingblocks, similar features are also applicable to other preparatory toolsfor knee implant systems, as well as other types of implant systems,including, but not limited to, hip, shoulder, and wrist implant systems,among others.

According to other embodiments of the subject application, preparatorytools for implant procedures can be identified as being compatible foruse different implant systems based on similarities or compatibility ofnon-implant-specific pin hole configurations. Such a system can providesurgeons with the option to select a particular tool, such as, forexample, a cutting block or recut cutting block, that may not bespecific to the implant system being implanted, but which has pin holeshaving a configuration(s) that is/are similar to, or otherwisecompatible with, the configuration of the non-implant-specific pin holesof the implant system that is being implanted. Thus, such a system may,for at least certain bone preparatory procedures, provide an indicationof preparatory tools that, although not specifically designed for theimplant system that is, or is to be, implanted in the patient, aresuitable alternatives, such as, for example, capable of being secured tothe bone 2104, 2106 using the same pins and/or pin holes 2124, 2156 inthe femur 2104 or tibia 2106 as other preparatory tools that arespecific to the implant system that is being implanted in the patient.In addition to allowing surgeons to use tools that, although notdesigned specifically for the system that is being implanted, arecompatible with that system, such a system can also enhance thelikelihood that a surgeon can use a tool of the surgeon's preference, orfor which the surgeon has more familiarity, experience, and/or training.Further, if needed, the selected alternative implant tool can bemodified, manufactured, or otherwise provided with other pin holes thatcorrespond to the configuration of at least some implant specific holesof the implant system being implanted.

For example, during at least certain operations, a cutting block, suchas, for example, the femoral and/or tibial cutting block 2100, 2102, canbe used to resect portions of the distal end 2128 of the femur 2104 andthe proximal end 2148 of the tibia 2106. As previously discussed, such aprocedure can include inserting pins 2157 into recut holes 2124, 2156,as well as into distal and proximal holes 2126, 2160 in the femur andtibia 2104, 2106, respectively. Such recut holes 2124, 2156 in the femurand tibia 2104, 2106, respectively, can be positioned on the respectivebone 2104, 2106 in at a non-implant-specific pin hole configuration, asthose pin holes 2124, 2126, as those recut holes 2124, 2156 may not beused to align the subsequently implanted component of the implantsystem.

In at least certain circumstances, following resection of the femur 2104and/or tibia 2106, the surgeon may elect to recut one or both of thebones 2104, 2106. For example, during the cutting procedure, the bladein the cutting slot 2118, 2150 may deflect in a direction toward or awayfrom the bone, and/or the cut may not necessarily extend far enough intothe bone, such that the surgeon may elect to proceed with a recut ofthat bone(s) 2104, 2106. In such a situation, according to certainembodiments, rather than being limited to using a recut cutting blockthat is specific to the implant system that is being implanted, otherrecut cutting blocks that are designed for other, different implantsystems can be selected for use based on those other or alternativerecut blocks having a non-implant-specific pin holes that is/arecompatible with the configuration of the non-implant-specific recutholes 2124, 2156 formed in the bone 2104, 2106.

For example, in connection with the presently discussed knee implantexample, one or more alternative recut cutting blocks that are notspecific to the knee implant system being implanted, may be identifiedbased on those alternative recut cutting blocks providing a recut pinhole configuration that is compatible with the configuration of therecut holes 2114 a, 2114 b, 2152 a, 2152 b of the femoral and/or tibialcutting block(s) 2100, 2102 and/or the configuration of the recut holes2124, 2156 that are, or will be, formed in the corresponding bone(s)2104, 2106.

With reference to the identified alternative recut cutting blocks, adecision can be made, such as, for example, by the surgeon, as towhether to select for use in a recut procedure one of the alternativerecut cutting blocks, or to otherwise proceed with a recut cutting blockthat is specific to the implant system that is being implanted. Such aselection can be based on a variety of different factors, including, butnot limited to, the surgeon's familiarity or preference with respect tothe available recut cutting blocks and the recut cutting block of thesystem being implanted. Further, in the event an alternative recutcutting block is selected, in at least certain situations, the optioncan be available to provide the selected alternative recut cutting blockwith the implant-specific pin holes. For example, according to thediscussed example, the option may be provide to have the selectedalternative recut cutting block modified to have the recut cutting blockhave paddle holes at locations that correspond to location andorientation of the paddle holes 2114 c, 2114 d, 2152 c, 2152 d in thefemoral and/or tibial cutting block 2100, 2102 used, or that will beused, to make the initial cut in the bone 2104, 2106, and/or arecompatible to the relative location(s) of the distal and/or proximalholes 2126, 2160 that are in, or otherwise are to be formed in, the bone2104, 2106.

While the above example is discussed in terms of selection of analternative recut tool, a similar process can also be available forother preparatory tools, including, but not limited to, the selection ofa femoral and/or tibial cutting blocks 2100, 2102 that may be used forthe initial cut(s) of the distal and proximal ends 2128, 2148 of thefemur and tibia 2104, 2106, respectively, among other preparatory tools.Additionally, such other preparatory tools are not limited to plannerslot cut blocks. For example, according to certain embodiments, theabove-discussed processes can include selection of a planning reamer,among other tools, for resurfacing procedures. Additionally, at leastsome of the pins associated with the above-discussed procedures, suchas, for example, recut pin holes 2114 c, 2114 d, 2152 c, 2152 d, canalso be arranged and/or configured to receive sensors that can, forexample, be utilized for computer-aided surgery or ligament balancers,among other uses. Further, while the examples discussed herein are withrespect to knee implant systems and tools, embodiments of the subjectapplication are also applicable to other implant devices.

FIGS. 58A and 58B illustrate anterior and distal views, respectively, ofan exemplary femoral recut cutting block 2164 that is designed for animplant knee system that is different from the knee implant system forwhich the femoral cutting block 2100 depicted in FIGS. 51 and 52 isdesigned. According to the illustrated example, the femoral recutcutting block 2164 has a plurality of sets of non-implant-specific pinholes that are similar to, or compatible with, the non-implant-specificholes of the femoral cutting block 2100. Moreover, in the illustratedexample, the femoral recut cutting block 2164 has four recut hole sets2166 a-d, each set having at least two recut holes 2168 a-d that extendthrough an anterior face portion 2165 of the femoral recut cutting block2164. Further, the recut holes 2168 a-d in each recut hole set 2166 a-dhave a relative arrangement similar to the non-patient-specific pinholes of at least the femoral cutting block 2100 depicted in FIGS. 51and 52 , and more specifically, the recut holes 2114 a, 2114 b of theillustrated femoral cutting block 2100. Thus, each set of the recutholes 2168 a-d in the femoral recut cutting block 2164 can be arrangedin a manner that is compatible with the location and orientation of therecut holes 2124 that are, or are to be, formed in the femur 2104, aswell as the associated location and/or orientation of the pins 2157 thatare (or are to be) inserted therein.

For example, the femoral recut cutting block 2164 depicted in at leastFIG. 58A has a first recut hole set 2166 a comprising a pair of recutholes 2168 a that have a relative location and/or orientation to eachother that is similar to the relative location and/or orientation of therecut holes 2114 a, 2114 b of the femoral cutting block 2100 depicted inFIGS. 51 and 52 . Similarly, the illustrated femoral recut cutting block2164 also includes second, third, and fourth recut sets 2166 b-d, eachset 2166 b-d also comprising a pair of recut holes 2168 b-d having arelative location and/or orientation that corresponds to the relativelocation and/or orientation of the recut holes 2114 a, 2114 b of thefemoral cutting block 2100 depicted in FIGS. 51 and 52 . Thus, accordingto such an embodiment, similar to the recut holes 2114 a, 2114 b of thefemoral cutting block 2100, the recut holes 2168 a-d of any of the recuthole set 2166 a-d of the depicted femoral recut cutting block 2164 canbe generally, and selectively, aligned at the same position relative tothe corresponding recut holes 2124 in the femur 2104.

Additionally, in the illustrated example, each recut hole set 2166 a-dof the femoral recut cutting block 2164 is generally aligned along anaxis 2170 a-d, each axis 2170 a-d being offset from the axis 2170 a-d ofthe adjacent recut hole set 2166 a-d by a linear distance generallyalong the distal-proximal axis. For example, according to the embodimentdepicted in FIG. 58A, the recut holes 2168 a of the first recut hole set2166 a are linearly offset from the recut holes 2168 b of the secondrecut set 2166 b by a linear distance in the general direction of thedistal-proximal axis by a first linear distance (as represented by “D₁”in FIG. 57 ). The linear distance of such an offset between each of theadjacent recut hole sets 2166 a-d can generally be the same, oralternatively, can vary. Further, according to certain embodiments, theoffset distance between one or more of the recut hole axes 2170 a-d cangenerally correspond to the thickness of resection to the next implantthickness.

Thus, according to the illustrated embodiment, as thenon-implant-specific pin holes, in this example, recut holes 2168 a-d ineach set of recut hole sets 2166 a-d, of the femoral recut cutting block2164 are compatible with at least the recut holes 2114 a, 2114 b of thefemoral cutting block 2100 that, unlike the femoral recut cutting block2164, was designed for the implant system being implanted, the femoralrecut cutting block 2164 can be identified as a suitable alternativefemoral recut cutting block. For example, FIG. 58C illustrates anexample of a graphical display on a display of a plurality of surgeonselectable alternative femoral recut cutting blocks (viz. “GII”,“JOURNEY”, and “TC-PLUS”) that, despite being designed for use withother knee implant systems, have non-implant-specific pin holes that arecompatible with similar non-implant-specific pin holes of the kneesystem that is being implanted. Thus, each of these alternative femoralrecut cutting blocks, which, again, may be associated with knee implantsystems that are different from the knee implant system that is beingimplanted, may be deemed suitable for use with the particular kneeimplant system that is being implanted, and thereby provide a variety ofoptions of femoral recut cutting blocks, and their associated designs,that could be selected by the surgeon for use during an implantationprocedure. Further, to the extent that the selected alternative femoralrecut cutting block may need to also include patient specific pin holes,such as, for example, the above-discussed paddle holes 2114 c, 2114 d,the selected alternative femoral recut cutting block could be adjusted,manufactured, or otherwise provided to also include thoseimplant-specific recut pin holes.

FIGS. 59A and 59B illustrate anterior and distal views, respectively, ofan exemplary tibial recut cutting block 2174 that is designed for animplant knee system that is different from the knee implant system forwhich the tibial cutting block 2102 depicted in FIGS. 51, 55A and 55B isdesigned. Similar to the above-discussed femoral recut cutting block2164, according to the illustrated example, the tibial recut cuttingblock 2174 has a plurality of sets of non-implant-specific pin holeshaving configurations that are each similar to, or compatible with, thecorresponding configuration of the non-implant-specific pin holes of thetibial cutting block 2102. Moreover, in the illustrated example, thetibial recut cutting block 2174 has three recut hole sets 2176 a-c, eachset having at least two recut holes 2178 a-c that extend through ananterior face portion 2177 of the tibial recut cutting block 2174.Further, the recut holes 2178 a-c in each recut hole set 2176 a-c have arelative configuration similar to, or compatible with, the configurationof the non-patient-specific pin holes of at least the tibial cuttingblock 2102 depicted in FIGS. 51, 55A and 55B, and more specifically, theconfiguration of the recut holes 2152 a, 2152 b of the illustratedtibial cutting block 2102. Thus, in the illustrated example, each set ofthe recut holes 2178 a-c in the tibial recut cutting block 2174 isarranged in a manner that is compatible with the configuration, such asthe relative location and/or orientation, of the recut holes 2156 thatare, or are to be, formed in the femur 2106, as well as the associatedlocation and/or orientation of the pins 2157 that are (or are to be)inserted therein.

For example, the tibial recut cutting block 2174 depicted in at leastFIG. 59A has a first recut hole set 2166 a comprising a pair of recutholes 2168 a that have a configuration relative to each other that issimilar to the configuration of the recut holes 2152 a, 2152 b of thetibial cutting block 2102 depicted in FIGS. 51, 55A and 55B. Similarly,the illustrated tibial recut cutting block 2174 also includes second andthird recut sets 2166 b, 2166 c, each set 2166 b, 2166 c also comprisinga pair of recut holes 2168 b, 2168 c having a configuration thatcorresponds to the configuration of the recut holes 2152 a, 2152 b ofthe tibial cutting block 2102 depicted in FIGS. 51, 55A and 55B. Thus,according to such an embodiment, similar to the recut holes 2152 a, 2152b of the tibial cutting block 2102, the recut holes 2168 a-c of any ofthe recut hole sets 2166 a-c of the depicted tibial recut cutting block2174 can be generally aligned and/or positioned at the same locationrelative to the corresponding recut holes 2156 in the tibia 2106.

Additionally, in the illustrated example, each recut hole set 2176 a-cis generally aligned along an axis 2180 a-c, each axis 2180 a-c beingoffset from the axis 2180 a-c of the adjacent recut hole set 2176 a-c bya linear distance generally along a distal-proximal axis. For example,according to the embodiment depicted in FIG. 59A, the recut holes 2178 aof the first recut hole set 2176 a are linearly offset from the recutholes 2178 b of the second recut set 2176 b by a linear distance in thedistal-proximal axis by a linear distance (as represented by “D₂” inFIG. 59A). The linear distance of such an offset between each of theadjacent recut hole sets 2176 a-c can generally be the same, oralternatively, can vary. Further, according to certain embodiments, theoffset distance between one or more of the recut hole axes 2180 a-c cangenerally correspond to the thickness of resection to the next implantthickness.

Thus, according to the illustrated embodiment, as thenon-implant-specific pin holes, in this example recut holes 2178 a-c ineach set of recut hole set 2176 a-c, of the tibial recut cutting block2174 are compatible with the recut holes 2152 a, 2152 b of the tibialcutting block 2102 that, unlike the tibial recut cutting block 2174, wasdesigned for the implant system being implanted, the tibial recutcutting block 2174 can be identified as a suitable or compatiblealternative tibial recut cutting block. For example, FIG. 58Cillustrates an example of a plurality of alternative tibial recutcutting blocks (viz. “GII MIS”, “JNY MIS”, “GII TAA”, “JNYII MIS”, and“PLUS TAA”) that, despite being designed for use with other knee implantsystems, have non-implant-specific pin holes having a configuration(s)that is/are compatible with similar non-implant-specific pin holes ofthe knee system that is being implanted. Thus, each of these alternativetibial recut cutting blocks, which, again, may be associated with kneeimplant systems that are different from the knee implant system that isbeing implanted, may be deemed suitable for use with the particular kneeimplant system that is being implanted, and thereby provide a variety ofoptions of tibial recut cutting blocks, and their associated designs,that could be selected for use by the surgeon for implantation. Further,to the extent that the selected alternative tibial recut cutting blockmay need to also include patient specific pin holes, such as, forexample, the above-discussed paddle holes 2152 c, 2152 d, the selectedtibial recut cutting block could be adjusted, manufactured, or otherwiseprovided to also include those implant-specific recut pin holes.

There is provided a method comprising prompting, by a graphical userinterface presented on a display device of a computing system, a surgeonfor a plurality of adaptive tibial guide parameters collectivelyindicative of a physical structure of a surgeon-specific tibial cuttingguide and a plurality of adaptive femoral guide parameters collectivelyindicative of a physical structure of a surgeon-specific femoral cuttingguide for a surgical procedure on a patient, receiving, via thegraphical user interface of the computing system, surgeon input from thesurgeon associated with the plurality of adaptive tibial guideparameters and the plurality of adaptive femoral guide parameters, andtransmitting, via a communication circuitry of the computing system, thereceived surgeon input to an instrumentation manufacturing system formanufacturing of at least one of the surgeon-specific tibial cuttingguide and the surgeon-specific femoral cutting guide.

In some embodiments, the method may further comprise fabricating thesurgeon-specific tibial cutting guide using fabrication machinery of theinstrumentation manufacturing system.

In some embodiments, the method may further comprise fabricating thesurgeon-specific femoral cutting guide using fabrication machinery ofthe instrumentation manufacturing system.

In some embodiments, the method may further comprise validating thesurgeon input to confirm that the plurality of adaptive tibial guideparameters and the plurality of adaptive femoral guide parametersdesired by the surgeon are consistent with an anatomy of the patient.

In some embodiments, prompting the surgeon for the plurality of adaptivetibial guide parameters and the plurality of adaptive femoral guideparameters may comprise separately prompting the surgeon for theplurality of adaptive tibial guide parameters and prompting the surgeonfor the plurality of adaptive femoral guide parameters.

In some embodiments, prompting the surgeon for the plurality of adaptivetibial guide parameters and the plurality of adaptive femoral guideparameters may comprise prompting the surgeon to select from a distalcut first surgical sequence or a tibial cut first surgical sequence.

In some embodiments, prompting the surgeon for the plurality of adaptivetibial guide parameters and the plurality of adaptive femoral guideparameters may comprise prompting the surgeon to select from asurgeon-specific tibial cutting guide having at least one contactextension to a tibial paddle relative to a standard surgical cuttingguide or a surgeon-specific tibial cutting guide without the at leastone contact extension.

In some embodiments, the at least one contact extension may be separablefrom a remainder of the tibial paddle.

In some embodiments, prompting the surgeon for the plurality of adaptivetibial guide parameters and the plurality of adaptive femoral guideparameters may comprise prompting the surgeon to select a thickness of acutting blade of a cutting instrument to be used with thesurgeon-specific tibial cutting guide.

In some embodiments, prompting the surgeon for the plurality of adaptivetibial guide parameters and the plurality of adaptive femoral guideparameters may comprise prompting the surgeon to select from asurgeon-specific tibial cutting guide that is designed for use with asurgical technique in which an alignment rod is aligned parallel to amechanical axis of the patient's tibia to gauge alignment or asurgeon-specific tibial cutting guide that is designed for use with asurgical technique in which the alignment rod is aligned perpendicularto a cutting slot of the surgeon-specific tibial cutting guide.

In some embodiments, prompting the surgeon for the plurality of adaptivetibial guide parameters and the plurality of adaptive femoral guideparameters may comprise prompting the surgeon to select from asurgeon-specific tibial cutting guide having a least one rimmed pinholeor a surgeon-specific tibial cutting guide without the at least onerimmed pinhole.

In some embodiments, prompting the surgeon for the plurality of adaptivetibial guide parameters and the plurality of adaptive femoral guideparameters may comprise prompting the surgeon to select from asurgeon-specific tibial cutting guide having at least one bicruciateligament sparing feature or a surgeon-specific tibial cutting guidewithout the at least one bicruciate ligament sparing feature.

In some embodiments, prompting the surgeon for the plurality of adaptivetibial guide parameters and the plurality of adaptive femoral guideparameters may comprise prompting the surgeon to select at least onepreferred standard surgical recut guide.

In some embodiments, prompting the surgeon for the plurality of adaptivetibial guide parameters and the plurality of adaptive femoral guideparameters may comprise prompting the surgeon to select from asurgeon-specific tibial cutting guide having at least one tibial paddlethat extends distal to a cut plane of a cutting instrument to contact aproximal surface of the patient's tibia or a surgeon-specific tibialcutting guide with no tibial paddle that extends distal to the cutplane.

In some embodiments, prompting the surgeon for the plurality of adaptivetibial guide parameters and the plurality of adaptive femoral guideparameters may comprise prompting the surgeon to select from asurgeon-specific femoral cutting guide having a least one rimmed pinholeor a surgeon-specific femoral cutting guide without the at least onerimmed pinhole.

There is also provided a system, comprising a computing device having acommunication circuitry, at least one input/output device, a processor,and a memory, wherein the memory comprises a plurality of instructionsstored thereon that, in response to execution by the processor, causesthe computing device to prompt, via a graphical user interface presentedon the input/output device, a surgeon for a plurality of adaptive tibialguide parameters collectively indicative of a physical structure of asurgeon-specific tibial cutting guide and a plurality of adaptivefemoral guide parameters collectively indicative of a physical structureof a surgeon-specific femoral cutting guide for a surgical procedure ona patient, receive, via the input/output device, surgeon input from thesurgeon associated with the plurality of adaptive tibial guideparameters and the plurality of adaptive femoral guide parameters, andtransmit, via the communication circuitry, the received surgeon input toan instrumentation manufacturing system for manufacturing of at leastone of the surgeon-specific tibial cutting guide and thesurgeon-specific femoral cutting guide.

In some embodiments, the system may further comprise the instrumentationmanufacturing system configured to receive the surgeon input, andfabrication machinery that fabricates at least one of thesurgeon-specific tibial cutting guide or the surgeon-specific femoralcutting guide.

In some embodiments, the instrumentation manufacturing system maycomprise a server configured to receive the surgeon input and transmitinstructions to the fabrication machinery for fabrication of the atleast one of the surgeon-specific tibial cutting guide or thesurgeon-specific femoral cutting guide based on the surgeon input.

There is also provided one or more machine-readable storage mediacomprising a plurality of instructions stored thereon that, in responseto execution by a computing device, causes the computing device toprompt a surgeon for a plurality of adaptive tibial guide parameterscollectively indicative of a physical structure of a surgeon-specifictibial cutting guide and a plurality of adaptive femoral guideparameters collectively indicative of a physical structure of asurgeon-specific femoral cutting guide for a surgical procedure on apatient, receive surgeon input from the surgeon associated with theplurality of adaptive tibial guide parameters and the plurality ofadaptive femoral guide parameters, and transmit the received surgeoninput to an instrumentation manufacturing system for manufacturing of atleast one of the surgeon-specific tibial cutting guide and thesurgeon-specific femoral cutting guide.

There is a provided herein a method that includes obtaining, using animaging device, one or more bone images of a bone, and modeling, usingat least the one or more bone images, a virtual visualization of thebone. The method can also include analyzing, virtually, one or more bonecuts at one or more locations along the virtual visualization of thebone, and selecting, based at least in part on the analysis of the oneor more bone cuts, a bone cut location for cutting the bone.Additionally, a bone cutting block, such as, for example, an adaptiveguide, can be built using at least information from the selected bonecut location.

According to some embodiments, the analysis of the one or more bone cutscan comprise evaluating at least one of a size and a shape of the boneat the one or more bone cut locations. Further, the method can alsoinclude determining a location of an eminence indicator for the bonecutting block. Additionally, according to certain embodiments, themethod can further include analyzing, virtually, one or more insertionlocations of one or more ligaments along the bone. Further, the one ormore insertion locations can include insertion locations along a tibialeminence of the bone. The method can also include analyzing compromisesbetween at least one of the size and shape of the bone at the one ormore bone cut locations and one or more characteristics of the one ormore ligaments at the one or more bone cut locations. Additionally, themethod can further include performing, virtually, at least a portion ofan implant procedure using at least the virtual visualization of thebone and a virtual representation of a tool or component of an implantsystem.

There is also provided herein is an apparatus that includes a medialtibial paddle that is configured to overly at least a portion of amedial plateau of a bone, and a lateral tibial paddle that is configuredto overly at least portions of a lateral plateau of the bone. Theapparatus can also include an eminence indicator that is positionedwithin between the medial and lateral tibial paddles. The eminenceindicator can have a plurality of walls that are positioned to identifya plurality of eminence corners for an eminence cut of the bone.

According to some embodiments, the eminence indicator can comprise amedial wall and a lateral wall, the medial wall and the lateral wallbeing positioned to define a width of a tibial eminence of the bone thatis to be retained by the eminence cut. Further, the eminence indicatorcan include a first arm and a second arm. At least a first wall portionof both the first and second arms can be positioned to define an endinglocation of the tibial eminence of the bone that is to be retained bythe eminence cut. Additionally, the medial wall can be approximatelyparallel to the lateral wall, while the medial wall and the lateral wallcan be approximately perpendicular to the first wall portion of both thefirst and second arms.

Further, according to some embodiments, an inner sidewall of the medialtibial paddle can be positioned at a location that corresponds to aninternal-external rotation of a tibial eminence of the bone.Additionally, the apparatus can further define a cutting slot thatextends through at least a portion of the apparatus, and which is sizedto guide a displacement of a cutting blade. The apparatus can alsoinclude a datum block that is positioned distally of the cutting slot,the datum block having one or more datum pin holes and is configured toestablish a plane parallel to a plane of the cutting slot.

Additionally, according to some embodiments, at least one of the medialtibial paddle and the lateral tibial paddle includes a removable paddleextension. Further, at least one of the medial tibial paddle and thelateral tibial paddle can have a pin hole and a guide boss, the guideboss having a boss body, a neck portion, and a removable captureportion. The neck portion can couple the boss body to the removablecapture portion, and can have a smaller wall cross-sectional thicknessthan the boss body and the removable capture portion.

There is also provided an apparatus that includes a paddle sectionhaving at least two paddles, the at least two paddles configured tooverlay at least an end portion of a bone. The paddle section can alsoinclude an eminence indicator that is positioned between the at leasttwo paddles, the eminence indicator having a plurality of wallspositioned to identify a plurality of eminence corners for an eminencecut of the bone. The apparatus can also include an alignment sectionpositioned distally of the paddle section, at least a portion of thealignment section defining a cutting slot sized to receive a cuttingblade. Additionally, the apparatus can include a datum block that ispositioned distally of the alignment section, the datum block having oneor more datum pin holes and is configured to establish a plane parallelto a plane of the cutting slot.

According to some embodiments, the alignment section further includes anorientation stylus pin hole positioned to align with a hole in the bonethat receives a pin for an orientation stylus. Further, according tosome embodiments, at least one of the at least two paddles includes aremovable paddle extension.

Additionally, according to some embodiments, at least one of the atleast two paddles includes a pin hole and a guide boss, the guide bosshaving a boss body and a removable capture portion, the guide bosshaving a boss body, a neck portion, and a removable capture portion. Theneck portion can couple the boss body to the removable capture portion,and can have a smaller wall cross-sectional thickness than the boss bodyand the removable capture portion.

There is provided a method that includes identifying, for selection, aplurality of different implant systems for implantation into a patient,and identifying, for use with the selected implant system, a pluralityof preparatory tools, one of more of the identified plurality of implanttools not being specific to the selected implant system.

According to certain embodiments, the method can further include atleast one of selecting one of the plurality of different implantationsystems, and selecting one of the one or more identified plurality ofimplant tools that is not specific to the selected implant system.Additionally, according to certain embodiments, the method can alsoinclude building the selected one of the plurality of implant tools, andmodifying at least one feature of the selected one of the plurality ofimplant tools to conform to a similar feature of the selected implantsystem. Further, according to certain embodiments, the plurality ofdifferent implantation systems can include a plurality of differentmodels, brands, and/or manufacturers of knee implant systems, andwherein the preparatory tools are cutting blocks that are specific toone or more of the knee implant systems.

There is also provided a method that includes identifying a firstnon-implant-specific pin hole configuration of a first implant systemand identifying a second non-implant-specific pin hole configuration ofa second implant system, the first implant system being different fromthe second implant system. Further, a compatibility of the firstnon-implant-specific pin hole configuration with the secondnon-implant-specific pin hole configuration can be determined. If thefirst and second non-implant-specific pin hole configurations aredetermined to be compatible, then the method can further includeproviding a preparatory tool having one or more pin holes having thesecond non-implant-specific pin hole configuration for implantation ofthe first implant system.

According to some embodiments, the preparatory tool can comprise, forexample, a cutting block, and the first implant system and the secondimplant system can be each knee implant systems. Further, the firstnon-implant-specific pin hole configuration and the secondnon-implant-specific pin hole configuration can both comprise at leastone recut hole configuration. Additionally, the cutting block can be arecut cutting block. Further, the difference between the first implantsystem and the second implant system can comprise a difference in atleast one of the following: model, brand, and manufacturer.

Additionally, according to some embodiments, the first implant systemcan include a preparatory tool having one or more pin holes having thefirst non-implant-specific pin hole configuration, and the preparatorytool of the first implant system can have a different configuration thanthe preparatory tool of the second implant system.

There is also provided a method that includes selecting, based on acompatibility with a non-implant-specific pin hole configuration of afirst implant system, a cutting block of a second implant system, thesecond implant system being a different type of implant system than thefirst implant system. Further, using at least in part pin holes havingthe non-implant-specific pin hole configuration, a cutting block of thefirst implant system can be secured to a bone at a first bone location.The method can also include securing, using at least in part pin holeshaving the non-implant-specific pin hole configuration, the cuttingblock of the second implant system to the bone generally at the firstbone location.

Additionally, according to some embodiments. the non-implant-specificpin hole configuration of the first implant system can be a recut pinhole configuration, and the second cutting block can be a recut cuttingblock. Further, the recut cutting block can comprise a plurality of setsof recut pin holes, each of the plurality of sets of recut pin holeshaving the non-implant-specific pin hole configuration. Additionally,the cutting block of the first system and the recut cutting block of thesecond system can have different sizes. Additionally, the step ofselecting the cutting block of the second implant system can include thestep of displaying, on a display and for selection, at least the secondcutting block. Further, the difference in type can comprise a differencein at least one of the following: model, brand, and manufacturer.

Additionally, there is also provided a method that includes identifyinga non-implant-specific pin hole configuration of a first implant system,the non-implant-specific pin hole configuration configured to receiveone or more pins that assist in operably securing at least onepreparatory tool of the first implant system having thenon-implant-specific pin hole configuration at a first bone location ofa bone. Further, one or more other implant systems having anon-implant-specific pin hole configuration compatible with thenon-implant-specific pin hole configuration of the first implant systemcan also be identified, the non-implant-specific pin hole configurationof the one or more other implant systems being configured to receive oneor more pins that assist in operably securing at least one preparatorytool of the one or more other implant systems at the first bonelocation. Further, the at least one preparatory tool of the one or moreimplant systems can have a different configuration than the at least onepreparatory tool of the first implant system. The method can alsoinclude displaying, on a display and for selection, the at least onepreparatory tool of the identified one or more implant systems havingthe non-implant-specific pin hole configuration.

Additionally, according to certain embodiments, the method can alsoinclude selecting, from the displayed at least one preparatory tool, apreparatory tool of the identified one or more implant systems, andsecuring the selected preparatory tool of the one or more implantsystems at the first bone location during implantation of the firstimplant system.

Further, according to certain embodiments, the first implant system canbe a first knee implant system, and the one or more other implantsystems can be one or more other knee systems that are either adifferent model or brand than the first knee implant system.Additionally, the non-implant-specific pin holes of the first implantsystem can comprise a plurality of recut holes of a cutting block, andwherein the one or more non-implant-specific pin holes of the one ormore other implant systems can comprise a plurality of recut holes ofone or more recut cutting blocks. The cutting block can be at least oneof a femoral cutting block and a tibial cutting block, and the one ormore recut cutting blocks can be at least one of a femoral recut cuttingblock and a tibial recut cutting block. Additionally, the at least onepreparatory tool of the one or more other implant systems can include atleast one preparatory tool having a plurality of non-implant-specificpin hole configurations, each of the plurality of non-implant-specificpin hole configurations being compatible with the non-implant-specificpin hole configuration of the first implant system.

While the invention has been described in connection with what ispresently considered to be the most practical and preferred embodiment,it is to be understood that the invention is not to be limited to thedisclosed embodiment(s), but on the contrary, is intended to covervarious modifications and equivalent arrangements included within thespirit and scope of the appended claims, which scope is to be accordedthe broadest interpretation so as to encompass all such modificationsand equivalent structures as permitted under the law. Furthermore, itshould be understood that while the use of the word preferable,preferably, or preferred in the description above indicates that featureso described may be more desirable, it nonetheless may not be necessaryand any embodiment lacking the same may be contemplated as within thescope of the invention, that scope being defined by the claims thatfollow. In reading the claims it is intended that when words such as“a,” “an,” “at least one” and “at least a portion” are used, there is nointention to limit the claim to only one item unless specifically statedto the contrary in the claim. Further, when the language “at least aportion” and/or “a portion” is used the item may include a portionand/or the entire item unless specifically stated to the contrary.

What is claimed is:
 1. A system, comprising: a computing device having acommunication circuitry, at least one input/output device, a processor,and a memory, wherein the memory comprises a plurality of instructionsstored thereon that, in response to execution by the processor, causesthe computing device to: prompt, via a graphical user interfacepresented on the input/output device, a surgeon for a plurality ofadaptive tibial guide parameters collectively indicative of a physicalstructure of a surgeon-specific tibial cutting guide and a plurality ofadaptive femoral guide parameters collectively indicative of a physicalstructure of a surgeon-specific femoral cutting guide for a surgicalprocedure on a patient; receive, via the input/output device, surgeoninput from the surgeon associated with the plurality of adaptive tibialguide parameters and the plurality of adaptive femoral guide parameters;and transmit, via the communication circuitry, the received surgeoninput to an instrumentation manufacturing system for manufacturing of atleast one of the surgeon-specific tibial cutting guide and thesurgeon-specific femoral cutting guide.
 2. The system of claim 1,further comprising the instrumentation manufacturing system configuredto receive the surgeon input, and fabrication machinery that fabricatesat least one of the surgeon-specific tibial cutting guide or thesurgeon-specific femoral cutting guide.
 3. The system of claim 2,wherein the instrumentation manufacturing system includes a serverconfigured to receive the surgeon input and transmit instructions to thefabrication machinery for fabrication of the at least one of thesurgeon-specific tibial cutting guide or the surgeon-specific femoralcutting guide based on the surgeon input
 4. A tibial cutting blockcomprising: a medial tibial paddle configured to overly at least aportion of a medial plateau of a bone; a lateral tibial paddleconfigured to overly at least portions of a lateral plateau of the bone;and an eminence indicator positioned between the medial and lateraltibial paddles, the eminence indicator including a plurality of wallspositioned to identify a plurality of eminence corners for an eminencecut of the bone.
 5. The tibial cutting block of claim 4, wherein theeminence indicator further includes a medial wall and a lateral wall,the medial wall and the lateral wall being positioned to define a widthof a tibial eminence of the bone that is to be retained by the eminencecut.
 6. The tibial cutting block of claim 5, wherein the eminenceindicator further includes a first arm and a second arm, at least afirst wall portion of both the first and second arms positioned todefine an ending location of the tibial eminence of the bone that is tobe retained by the eminence cut.
 7. The tibial cutting block of claim 6,wherein the medial wall is parallel to the lateral wall, and the medialwall and the lateral wall is perpendicular to the first wall portion ofboth the first and second arms.
 8. The tibial cutting block of claim 4,wherein an inner sidewall of the medial tibial paddle is positioned at alocation corresponding to an internal-external rotation of a tibialeminence of the bone.
 9. The tibial cutting block of claim 4, whereinthe tibial cutting block further includes a cutting slot extends throughat least a portion thereof, the cutting slot being sized to guide adisplacement of a cutting blade.
 10. The tibial cutting block of claim9, wherein the tibial cutting block further includes a datum blockpositioned distally of the cutting slot, the datum block having one ormore datum pin holes and is configured to establish a plane parallel toa plane of the cutting slot.
 11. The tibial cutting block of claim 4,wherein at least one of the medial tibial paddle and the lateral tibialpaddle includes a removable paddle extension.
 12. The tibial cuttingblock of claim 4, wherein at least one of the medial tibial paddle andthe lateral tibial paddle includes a pin hole and a guide boss, theguide boss having a boss body, a neck portion, and a removable captureportion, the neck portion coupling the boss body to the removablecapture portion, wherein the neck portion has a smaller wallcross-sectional thickness than the boss body and the removable captureportion.
 13. A tibial cutting block comprising: a paddle section havingat least two paddles, the at least two paddles configured to overlay atleast an end portion of a bone; an eminence indicator positioned betweenthe at least two paddles, the eminence indicator including a pluralityof walls positioned to identify a plurality of eminence corners for aneminence cut of the bone; and an alignment section positioned distallyof the paddle section, at least a portion of the alignment sectiondefining a cutting slot sized to receive a cutting blade.
 14. The tibialcutting block of claim 13, further comprising: a datum block positioneddistally of the alignment section, the datum block having one or moredatum pin holes, the datum block configured to establish a planeparallel to a plane of the cutting slot.
 15. The tibial cutting block ofclaim 13, wherein the alignment section further includes an orientationstylus pin hole positioned to align with a hole in the bone thatreceives a pin for an orientation stylus.
 16. The tibial cutting blockof claim 13, wherein at least one of the at least two paddles includes aremovable paddle extension.
 17. The tibial cutting block of claim 13,wherein at least one of the at least two paddles includes a pin hole anda guide boss, the guide boss having a boss body and a removable captureportion, the guide boss having a boss body, a neck portion, and aremovable capture portion.
 18. The tibial cutting block of claim 17,wherein the neck portion couples the boss body to the removable captureportion, the neck portion having a smaller wall cross-sectionalthickness than the boss body and the removable capture portion.